Model: 33A31-4

Cap Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Nut Style

Cap

Nut Height

0.457 centimeters

Width Across Flats

0.530 inches

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Bearing Surface Type

Chamfered

Material

Steel

Surface Treatment

Cadmium

NSN

5310-00-847-2735

Part Number

33A31-4

Description

Nut,self-locking,cap

CAGE

38597

A nut internally threaded from one end, and completely enclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, dodecagonal or the like and taper to a cone or dome shape on the closed end. An integral feature is incorporated for locking on the threads of a mating memeber. Excludes nut (1), stamped.

Part 33A31-4 NSN 5310-00-847-2735

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05275

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