5310-00-959-4688

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Thread Class

3b

Thread Direction

right-hand

Washer Outside Diameter

0.460 inches maximum

Overall Height

0.274 inches minimum and 0.294 inches maximum

Nut Style

recessed

Nut Height

0.263 inches nominal

Width Across Flats

0.274 inches minimum and 0.284 inches maximum

Thread Series

unf

Thread Quantity Per Inch

28

Nominal Thread Size

0.250 inches

Material

steel washer

Material

steel comp 8740 or steel comp 4340 nut

Material Document And Classification

mil-s-6049 mil spec 1st material response or mil-s-5000 mil spec 2nd material response nut

Surface Treatment

cadmium overall

Surface Treatment Document And Classification

qq-p-416,ty 2,cl 3 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially replaced by the NSN 5310-00-959-4688

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification

1 - Full descriptive item identification

Demilitarization

A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Criticality

X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Federal Item Identification Guide

A021A0

Precious Metals Indicator

U - Precious metal content is unknown

Pseudo Item Name Code

0021824

Hazardous Material Indicator

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Schedule B Code

7318160000

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity

XX

National Motor Freight Classification Item Number

093486

National Motor Freight Classification Sub-Item Number

Z

Uniform Freight Classification Item Number

48950

National Motor Freight Class Rating

W - Rating variable

Water Commodity

573 - Bolts or nuts (iron or steel),(less than 35 feet)

Type of Cargo

Z - No special type of cargo code applicable

Special Hand

9 - Other or no special handling required (sh)

Air Dimension

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Commodity

BZ -

National Motor Freight Description

bolts,nuts or screws, noi (sub 3)

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 5310-00-959-4688

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