Model: 37519

Single Ball Sea Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Single ball seat, hexagon

Nut Height

Between 0.298 inches and 0.328 inches

End Application

2320-01-528-6294 truck, tank

Width Across Flats

Between 0.430 inches and 0.439 inches

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Part Name Assigned By Controlling Agency

Nylon insert lock nut

Material

Plastic nylon locking insert

Material

Steel except insert

Surface Treatment

Zinc except insert

Surface Treatment Specification

Astm f1941 yellow zinc fe/zn 5c assn standard single treatment response except insert

NSN

5310-01-602-4138

Part Number

37519

Description

Nut,self-locking,single Ball Sea

CAGE

0Y3H3

A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.

Part 37519 NSN 5310-01-602-4138

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29732

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