5305-01-524-1553

Find complete technical information, availability, and procurement data for: 5305-01-524-1553
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-524-1553

Item Name Code

29294

Assigment Date

09/23/2004 (21 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.430 inches nominal thread length, right-hand thread direction, round extended washer head style, 1.063 inches nominal fastener length, 3a thread class

Product Characteristics

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

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.430 inches nominal
Fastener Length: 1.063 inches nominal
Head Style: round extended washer
Head Diameter: 0.375 inches nominal
Head Height: 0.094 inches nominal
Extended Washer Diameter: 0.437 inches nominal
Extended Washer Thickness: 0.027 inches nominal
Grip Diameter: 0.189 inches nominal
Internal Drive Style: cruciform ribbed
End Item Identification: support of pre-provisioning items for which navicp phil acts as poe (e-nsn isil)
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.500 inches nominal
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 2000 pounds per square inch
Criticality Code Justification: agav
Part Name Assigned By Controlling Agency: screw, washer head, close tolerance, long thread, 95 ksi fsu
Material: iron alloy 660 overall
Material Document And Classification: ams5731 assn std 1st material response or ams5732 assn std 2nd material response or ams5737 assn std 3rd material response or ams5853 assn std 4th material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unjf

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
120-225C3-15	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-524-1553?

The FSCG of the NSN 5305-01-524-1553 is 5305

Does the NSN 5305-01-524-1553 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-524-1553 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 5305-01-524-1553 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-524-1553 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 5305-01-524-1553 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Thu, Sep 23, 2004