55LH7644-144

Hexagon Self-locking Nut

NSN 5310-00-459-7818

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
004597818

Detail Specifications

Thread Class:
3b
Thread Direction:
Right-hand
Locking Feature:
Prevailing torque all metal design
Lubrication:
Soluble lubricant
Nut Style:
Hexagon
Nut Height:
Between 0.470 inches and 0.485 inches
Width Across Flats:
Between 1.239 inches and 1.252 inches
Tempurature Rating:
Between -65.0 degrees fahrenheit and 450.0 degrees fahrenheit
Thread Series:
Unjf
Thready Qty Per Inch (tpi):
14
Hardness Rating:
Between 34.0 rockwell c and 41.0 rockwell c
Thread Size:
0.875 inches
Bearing Surface Type:
Chamfered or washer faced
Material:
Steel comp 4130 nut or steel comp 4140 nut or steel comp 4340 nut or steel comp 8740 nut
Material Specification:
66 federal standard all material responses nut
Surface Treatment:
Cadmium
Surface Treatment Specification:
Qq-p-416, type 2, cl 2 federal specification single treatment response
NSN:
5310-00-459-7818
Item Name:
Locknut
Cage Code:
019L2

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
STSCC003A28
Cage Code:
98897
RNCC:
7
RNVC:
2
RNAAC:
SE
Status:
A
MSDS:
SADC:
Part Number:
55LH7644-144
Cage Code:
72962
RNCC:
5
RNVC:
9
RNAAC:
SE
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:
CRITL:
X

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): "Locknut"

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:
SPAIN Spain
DSOR:
User:
KUWAIT Kuwait
DSOR:
User:
MALAYSIA Malaysia
DSOR:
User:
CANADA Canada
DSOR:
User:
UNITED KINGDOM United Kingdom
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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