Model: LH13291-4

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with metallic insert
Washer Outside Diameter
0.410 inches
Overall Height
Between 0.308 inches and 0.328 inches
Nut Style
Double hexagon
Washer Thickness
Between 0.045 inches and 0.060 inches
Width Across Flats
0.312 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Hardness Rating
34.0 rockwell c
Thread Size
0.250 inches
Material
Nickel alloy uns n07001
Material Specification
Ams 5709 assn standard single material response
Precious Material And Location
On threads silver
Precious Material
Silver
Surface Treatment
Silver threads
Surface Treatment Specification
Ams 2411 assn standard single treatment response threads
NSN
5310-01-320-7364
Part Number
LH13291-4
Description
Nut,self-locking,extended Washer
CAGE
56878

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part LH13291-4 NSN 5310-01-320-7364

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29729
FIIG:
A021A0
Concept No.:
1
App. Key:
BS
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
S
ESD:
ESD:
MMAC:
NZ
CRITL:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
50.0
WCC:
713
TCC:
Z
SHC:
Z
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

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