5305-00-249-0591

Characteristics

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

Thread Class

3a

Thread Direction

right-hand

Fastener Length

1.438 inches minimum and 1.500 inches maximum

Head Style

square

Head Height

0.178 inches minimum and 0.196 inches maximum

Width Between Flats

0.241 inches minimum and 0.250 inches maximum

Point Style

cup

Internal Drive Style

w/o internal drive

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

20

Hardness Rating

45.0 rockwell c minimum and 53.0 rockwell c maximum overall

Part Name Assigned By Controlling Agency

setscrew

Material Document And Classification

66 fed std all material responses overall

Thread Series Designator

unc

Nondefinitive Spec/Std Data

a type

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

4 - Partial descriptive item identification (type 1 concept)

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

A003B0

Precious Metals Indicator

U - Precious metal content is unknown

Pseudo Item Name Code

0006672

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.

Freight Information

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

Major Organizational Entity

98

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

713 - Metal hardware

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 5305-00-249-0591

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