Model: 337972

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Nut Style

Hexagon

Nut Height

Between 0.220 inches and 0.250 inches

End Application

Engine, aircraft f-117, pw-100 (c-17a); aircraft, stratolifter c-135; aircraft, phantom f-4; aircraft, f-111; helicopter, green giant h-3; engine, aircraft tf33-p-3/5/9 (c/ec-135, b-52h); aircraft, airlifter c-17a; engine, aircraft, tf-33-p-7 (c-141a/b); engine, aircraft tf33-pw-102 (c-135e, ec-135h/k/p)

Width Across Flats

Between 0.367 inches and 0.376 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.190 inches

Bearing Surface Type

Chamfered

Material

Iron alloy 660

Material Specification

Ams 5735 assn standard single material response

Precious Material

Silver

Surface Treatment

Silver

NSN

5310-00-931-8552

Part Number

337972

Description

Nut,self-locking,hexagon

CAGE

019L2

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 337972 NSN 5310-00-931-8552

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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

Pricing & Availability Check

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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