H55-4

Hexagon Self-locking Nut

NSN 5310-00-857-5557

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 HD
NIIN:
008575557

Technical Specifications of NSN

Thread Class:
3b
Thread Direction:
Right-hand
Locking Feature:
Prevailing torque all metal design
Lubrication:
Dry film lubricant
Nut Style:
Hexagon
Nut Height:
0.240 mils and 0.328 centimeters
Width Across Flats:
Between 0.430 inches and 0.439 inches
Tempurature Rating:
450.0 degrees fahrenheit
Thread Series:
Unjf
Thready Qty Per Inch (tpi):
28
Thread Size:
0.250 inches
Countersink Angle:
88.0 degrees nut
Bearing Surface Type:
Chamfered
Bearing Surface Finish:
125.0 microinches
Material:
Steel
Surface Treatment:
Cadmium
Surface Treatment Specification:
Qq-p-416 federal specification single treatment response
NSN:
5310-00-857-5557
Item Name:
Nut,lock
Cage Code:
75237

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
NAS1022AM4
Cage Code:
80205
RNCC:
C
RNVC:
1
RNAAC:
KE
Status:
A
MSDS:
SADC:
AC
Part Number:
RM1801-048
Cage Code:
019L2
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
9F
Part Number:
H55-4
Cage Code:
15653
RNCC:
5
RNVC:
2
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
28FH-428
Cage Code:
56878
RNCC:
5
RNVC:
2
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
SPS28GH428
Cage Code:
56878
RNCC:
5
RNVC:
2
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
YE3200
Cage Code:
75497
RNCC:
5
RNVC:
2
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
SL2374-4
Cage Code:
97393
RNCC:
5
RNVC:
2
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
MS21045L4
Cage Code:
80205
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
H55-4
Cage Code:
R1120
RNCC:
5
RNVC:
2
RNAAC:
ZG
Status:
A
MSDS:
SADC:
Part Number:
MS21045L4
Cage Code:
96906
RNCC:
5
RNVC:
9
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
RM1801-048
Cage Code:
72962
RNCC:
5
RNVC:
9
RNAAC:
KZ
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05277
FIIG:
A021A0
Concept No.:
1
App. Key:
BK
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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.8000lbs
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:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Lock Nut"

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

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
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U.S. MARINE CORPS U.s. Marine Corps
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DEPARTMENT OF THE NAVY Dept. of the Navy
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COLUMBIA Columbia
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SINGAPORE Singapore
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MALAYSIA Malaysia
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NETHERLANDS Netherlands
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TURKEY Turkey
DSOR:
Import / Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Classification: Nuts of iron or steel


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