Model: 1137021

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Nut Style

Hexagon

Nut Height

0.250 inches

End Application

4320-01-617-7587

Width Across Flats

Between 0.489 inches and 0.502 inches

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Bearing Surface Type

Flat

Part Name Assigned By Controlling Agency

Hex nylon insert locknuts (nm and ne)

Material

Plastic nylon locking insert

Material

Steel

Surface Treatment

Zinc

NSN

5310-01-630-9552

Part Number

1137021

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 1137021 NSN 5310-01-630-9552

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:

Construction Materials

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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