5325-00-256-8139

Find complete technical information, availability, and procurement data for: 5325-00-256-8139
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-256-8139

Item Name Code

18484

Assigment Date

06/15/1973 (53 years ago)

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

spring securing device type, 0.304 inches minimum and 0.315 inches maximum eyelet outside diameter, stud assembly stud assembly style, 0.961 inches minimum and 0.976 inches maximum distance from engaging member to largest bearing surface of head, 0.580 inches nominal diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Diameter: 0.580 inches nominal
Securing Device Type: spring
Stud Assembly Style: stud assembly
Distance From Engaging Member To Largest Bearing Surface Of Head: 0.961 inches minimum and 0.976 inches maximum
Eyelet Outside Diameter: 0.304 inches minimum and 0.315 inches maximum
Eyelet Length: 0.322 inches nominal
Drive Type: slotted
Stud Head Height: 0.440 inches nominal
Material: steel comp 1018 head
Material: steel comp 4037 stud
Material: steel lockspring
Material: steel pin
Material Document And Classification: astm a322 assn std single material response stud
Material Document And Classification: astma108 assn std single material response head
Material Document And Classification: qq-w-470 fed spec single material response lockspring
Material Document And Classification: qq-w-470 fed spec single material response pin
Surface Treatment: cadmium head
Surface Treatment: cadmium lockspring
Surface Treatment: cadmium pin
Surface Treatment: cadmium stud
Surface Treatment Document And Classification: qq-c-320,class 1,type i fed spec single treatment response head
Surface Treatment Document And Classification: qq-c-320,class 1,type i fed spec single treatment response lockspring
Surface Treatment Document And Classification: qq-c-320,class 1,type i fed spec single treatment response stud
Surface Treatment Document And Classification: qq-p-416,class 2,type ii fed spec single treatment response pin

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
26S34-1	Turnlock Fastener Stud Assembly

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5325-00-256-8139?

The FSCG of the NSN 5325-00-256-8139 is 5325

Does the NSN 5325-00-256-8139 have a Schedule B code assigned?

Yes, the Schedule B code is 9607190000

Does NSN 5325-00-256-8139 require demilitarization?

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.

Does NSN 5325-00-256-8139 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-256-8139 contain hazardous materials?

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

When the NSN 5325-00-256-8139 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Jun 15, 1973