MS21921-4D

Tube Coupling Nut

NSN 4730-00-555-8203

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
25 EA
NIIN:
005558203

Product Features

Grumman aerospace corporation a10 aircraft; weapon system essential

Technical Specifications of NSN

Thread Class:
3b
Thread Direction:
Right-hand
Fabrication Method:
Any acceptable
Nut Style:
Tube coupling
Nut Height:
Between 0.710 inches and 0.730 inches
End Application:
Aircraft application, iroquis uh-1, chinook ch-47 helicopter, delta dart f-106, f-111. Tomcat f-14a, starlifter c-141 aircraft, e-3a aircraft warning and control system (awacs)
Width Across Flats:
0.562 inches
Length To Shoulder:
Between 0.537 inches and 0.557 inches
Smallest Inside Diameter:
Between 0.300 inches and 0.305 inches
Thread Series:
Unjf
Thready Qty Per Inch (tpi):
20
Thread Size:
0.438 inches
Tube Outside Diameter:
0.250 inches
Seat Angle:
45.00 degrees
Criticality Code Justification:
Feat
Material:
Aluminum alloy 2014 or aluminum alloy 2024
Material Specification:
Qq-a-367, t6 federal specification single material response or qq-a-225/6, t6, t62 or t851 federal specification single material response
Surface Treatment:
Anodize
Surface Treatment Specification:
Mil-a-8625, type 2, class 1 military specification single treatment response
Specification Data:
96906-ms21921 government standard
NSN:
4730-00-555-8203
Item Name:
Nut,pipe Coupling
Cage Code:
81343

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
AS21921
Cage Code:
81343
RNCC:
3
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
AS18280
Cage Code:
81343
RNCC:
3
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
CVC4257W4
Cage Code:
80378
RNCC:
5
RNVC:
1
RNAAC:
SE
Status:
A
MSDS:
SADC:
Part Number:
2652291W4
Cage Code:
92003
RNCC:
5
RNVC:
1
RNAAC:
SE
Status:
A
MSDS:
SADC:
Part Number:
VSF1212-4WW
Cage Code:
92215
RNCC:
5
RNVC:
1
RNAAC:
SE
Status:
A
MSDS:
SADC:
Part Number:
118-21600-230-4
Cage Code:
79470
RNCC:
5
RNVC:
1
RNAAC:
SE
Status:
A
MSDS:
SADC:
Part Number:
AS21921-4D
Cage Code:
81343
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
202-21600W4
Cage Code:
80378
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
156/15
Cage Code:
K7018
RNCC:
5
RNVC:
9
RNAAC:
ZK
Status:
A
MSDS:
SADC:
Part Number:
ER817-4D
Cage Code:
81755
RNCC:
5
RNVC:
9
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
DV600W4
Cage Code:
17491
RNCC:
5
RNVC:
9
RNAAC:
SE
Status:
A
MSDS:
SADC:
Part Number:
MS21921D4
Cage Code:
96906
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
VSF1212-4WW
Cage Code:
C4293
RNCC:
5
RNVC:
9
RNAAC:
ZG
Status:
A
MSDS:
SADC:
Part Number:
118-21600-230-4
Cage Code:
14798
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
137618257
Cage Code:
A0199
RNCC:
5
RNVC:
2
RNAAC:
ZR
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03859
FIIG:
A021A0
Concept No.:
1
App. Key:
CX
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
SX
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 4.0 X 2.0
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
013540
UFC:
05680
LTL:
70.0
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

End Items End applications NSN 4730-00-555-8203 is a component of

  • B-52 Aircraft Support Equipment
  • Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
  • Mh-53e Helicopter
  • Los Angeles Class Ssn (688)
  • Seawolf Class Ssn
  • Fms - Knox Class Ff
  • Ah-64-d Longbow
  • Hh-60l Medivac
  • U-2 Airframe
  • Ssn-774 Virginia Class Submarine
  • Oh 58d Ahip (army Helicopter Improvement Program) Helicopter
  • 011069519
  • Attack Helicopter
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  • Attack Helicopter
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  • 005049112
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  • Attack Helicopter
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  • Attack Helicopter
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  • Attack Helicopter
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  • Attack Helicopter
  • 011069519
  • Attack Helicopter
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  • Attack Helicopter
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  • Attack Helicopter
  • 011069519
  • Attack Helicopter
  • 011069519
  • Attack Helicopter
  • 011069519
  • Attack Helicopter
  • 011069519
  • Attack Helicopter
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  • Attack Helicopter
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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Pipe Coupling Nut"

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE ARMY Dept. of the Army
DSOR:
User:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
DSOR:
User:
U.S. MARINE CORPS U.s. Marine Corps
DSOR:
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
User:
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION National Aeronautics and Space Administration
DSOR:
User:
POLAND Poland
DSOR:
User:
BRAZIL Brazil
DSOR:
User:
SPAIN Spain
DSOR:
User:
COLUMBIA Columbia
DSOR:
User:
ISRAEL Israel
DSOR:
User:
TAIWAN, PROVINCE OF CHINA Taiwan, Province of China
DSOR:
User:
SINGAPORE Singapore
DSOR:
User:
KUWAIT Kuwait
DSOR:
User:
SAUDI ARABIA Saudi Arabia
DSOR:
User:
MALAYSIA Malaysia
DSOR:
User:
THAILAND Thailand
DSOR:
User:
AUSTRALIA Australia
DSOR:
User:
BELGIUM Belgium
DSOR:
User:
CANADA Canada
DSOR:
User:
NEW ZEALAND New Zealand
DSOR:
User:
FRANCE France
DSOR:
User:
GERMANY Germany
DSOR:
User:
REPUBLIC OF KOREA Republic of Korea
DSOR:
User:
UNITED KINGDOM United Kingdom
DSOR:
User:
NETHERLANDS Netherlands
DSOR:
User:
PORTUGAL Portugal
DSOR:
User:
ITALY Italy
DSOR:
User:
DENMARK Denmark
DSOR:
User:
NORWAY Norway
DSOR:
User:
GREECE Greece
DSOR:
User:
TURKEY Turkey
DSOR:
User:
NATO MAINTENANCE AND SUPPLY AGENCY NATO Maintenance and Supply Agency
DSOR:
Import / Export
  • Schedule B: 7609000000
  • SITC: 68427
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Classification: Aluminum tube or pipe fittings (couplings,elbows sleeves)


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