Model: 37263

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Lubrication

Wax

Nut Style

Hexagon

Nut Height

Between 0.180 inches and 0.195 inches

End Application

Mrap-buffalo a1

Width Across Flats

Between 0.489 inches and 0.502 inches

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.3125 inches

Bearing Surface Type

Chamfered

Part Name Assigned By Controlling Agency

5/16-18 zinc finish grade a jam top lock nut

Material

Steel

Material Specification

Grade a steel iaw ifi-100/107 assn standard single material response

Surface Treatment

Zinc

Surface Treatment Specification

Fe/zn 3at iaw astm f1941 assn standard single treatment response

NSN

5310-01-611-4123

Part Number

37263

Description

Nut,self-locking,hexagon

CAGE

0Y3H3

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.

Part 37263 NSN 5310-01-611-4123

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05277

FIIG:

A021A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 7318160000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Nuts of iron or steel