MS21916-6-4

Boss Reducer

NSN 4730-00-541-4901

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
005414901

Product Technical Spec.

Thread Class:
3a all ends
Reducer Type:
Concentric
Maximum Operating Temp:
275.0 degrees fahrenheit single response
End Application:
Grumman a10 aircraft; x2m assault amphibious vehicle, command (aavc-7a1)
Connection Style:
External seat for gasket seal (boss) all ends
Connection Type:
Threaded external boss all ends
Maximum Operating Pressure:
3000.0 pounds per square inch single response
Thread Size:
0.438 inches 2nd end
Thread Size:
0.562 inches 1st end
Reduced Passage Inside Diameter:
0.188 inches all ends
Nominallength:
1.219 inches
Material:
Steel comp 1137 or steel comp 1141 or steel comp 4130
Material Specification:
Qq-a-367 federal specification single material response or astm a576-677 assn standard single material response or mil-s-6758 military specification single material response
Media For Which Designed:
Hydraulic fluid single response
Surface Treatment:
Cadmium
Surface Treatment Specification:
Qq-p-416, type 2, class 2 federal specification single treatment response
Thread Series Designator:
Unjf all ends
Specification Data:
96906-ms21916 government standard
NSN:
4730-00-541-4901
Item Name:
Reducer,boss
Cage Code:
K3784

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
MS21916-6-4
Cage Code:
96906
RNCC:
2
RNVC:
2
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
AS18280
Cage Code:
81343
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
AS21916-6-4
Cage Code:
81343
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ER919-6
Cage Code:
79470
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
ER919-6-4
Cage Code:
79470
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
4730-541-4901
Cage Code:
SCY13
RNCC:
5
RNVC:
9
RNAAC:
YP
Status:
A
MSDS:
SADC:
Part Number:
4730005414901
Cage Code:
SCY13
RNCC:
5
RNVC:
9
RNAAC:
YP
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
23541
FIIG:
A080B0
Concept No.:
App. Key:
A
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:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 0.0 X 0.0
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:
052190
UFC:
30000
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

  We Guarantee with Every Order

  •   100% Genuine Manufacturers Parts
  •   Every Product thoroughly Inspected
  •   Sales Record Retention of 7 years
  •   Fast Delivery
  •   HAZMAT Certified
  •   Global Shipping

Pricing & Availability

Submit this form for current pricing and availability quote on part number ms21916-6-4 and/or cross reference parts.
Part / NSN:
Qty:
Your Email:
Phone:
Ref. / PO #:
Company:

We do not share or sell your information to anyone.
Privacy | Terms

Definition Definition of approved item name (AIN): "Boss Reducer"

A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes bushing (as modified).

MOE Major Organizational Entities

Entity
DSOR
User:
AUSTRIA Austria
DSOR:
User:
BRAZIL Brazil
DSOR:
User:
SPAIN Spain
DSOR:
User:
ISRAEL Israel
DSOR:
User:
SINGAPORE Singapore
DSOR:
User:
KUWAIT Kuwait
DSOR:
User:
MOROCCO Morocco
DSOR:
User:
MALAYSIA Malaysia
DSOR:
User:
AUSTRALIA Australia
DSOR:
User:
CANADA Canada
DSOR:
User:
NEW ZEALAND New Zealand
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: 7307994000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Classification: Other fittings nesoi of alloy steel not stainless


Best-Selling Products A collection of our most popular products