Model: 2528B331

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Washer Outside Diameter

Between 0.515 inches and 0.540 inches

Overall Height

Between 0.307 inches and 0.322 inches

Nut Style

Double hexagon

Washer Thickness

Between 0.015 inches and 0.057 inches

Width Across Flats

Between 0.305 inches and 0.313 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Steel

Material Specification

Ams 5709 assn standard single material response

NSN

5310-01-137-5736

Part Number

2528B331

Description

Nut,self-locking,extended Washer

CAGE

0VK23

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part 2528B331 NSN 5310-01-137-5736

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29729

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:

50.0

WCC:

713

TCC:

SHC:

ACC:

Equipment for Aircraft

End Items End applications NSN 5310-01-137-5736 is a component of

Hh-60 Helicopter
Aircraft T-700 Engine
Ge T-700 (uh-60a) Aircraft Engine
Hh-53b) T64-ge-3/7 (h-53b/c/h Aircraft Engine
T700-ge-701c (uh-60/mh-60k/ah-64) Engine
T700-ge-701 (ah-64) Engine
Ah-1w Advance Attack Helicopter
012844013
Aircraft Gas Turbine Engine Cold Section Module
014114686
Gas Turbine Engine Compressor Rotor

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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