55LH6521-070

Double Hexagon Self-locking Nut

NSN 5310-00-255-5008

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
002555008

Detail Specifications

Thread Class:
3b
Thread Direction:
Right-hand
Locking Feature:
Prevailing torque all metal design
Lubrication:
Soluble lubricant
Nut Style:
Double hexagon
Nut Height:
0.372 inches
Width Across Flats:
Between 0.679 inches and 0.690 inches
Tempurature Rating:
Between -65.0 degrees fahrenheit and 450.0 degrees fahrenheit
Thread Series:
Unjf
Thready Qty Per Inch (tpi):
20
Hardness Rating:
Between 38.0 rockwell c and 45.0 rockwell c
Thread Size:
0.438 inches
Bearing Surface Type:
Chamfered
Bearing Surface Finish:
125.0 microinches
Material:
Steel comp 8740 or steel comp 8630 or steel comp 4037 or steel comp h11
Material Specification:
Ams 6322 assn standard 1st material response or ams 6280 assn standard 2nd material response or ams 6300 assn standard 3rd material response or ams 6304 assn standard 4th material response
Surface Treatment:
Cadmium
Surface Treatment Specification:
Qq-p-416, type 2, cl 2 federal specification single treatment response
NSN:
5310-00-255-5008
Item Name:
Nut,self-locking,double Hexagon
Cage Code:
72962

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
68456-7
Cage Code:
56878
RNCC:
3
RNVC:
2
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
STSCD002-14
Cage Code:
98897
RNCC:
7
RNVC:
2
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
68456-7
Cage Code:
50392
RNCC:
5
RNVC:
9
RNAAC:
SB
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05276
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:
0.1000lbs
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:
E
LVL_B:

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): "Double Hexagon Self-locking Nut"

A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
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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