5310-01-056-0178

Find complete technical information, availability, and procurement data for: 5310-01-056-0178
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-056-0178

Item Name Code

29724

Assigment Date

02/15/1978 (48 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.

prevailing torque all metal design locking feature, 3b thread class, eliptical countersunk head style, 0.048 inches nominal head height, right-hand thread direction

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Head Style: eliptical countersunk
Head Height: 0.048 inches nominal
Locking Feature: prevailing torque all metal design
Head Major Diameter: 0.621 inches minimum and 0.625 inches maximum
Head Minor Diameter: 0.524 inches minimum and 0.528 inches maximum
Lubrication: dry film lubricant
Nut Style: blind rivet w/smooth round shank
Nut Diameter: 0.469 inches minimum and 0.471 inches maximum
Nut Length: 0.997 inches maximum
Nut Grip Range: +0.340 to 0.400 inches
Shank End Type: open
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Head Major Countersink Angle: 75.75 degrees minimum and 76.25 degrees maximum
Head Minor Countersink Angle: 59.75 degrees minimum and 60.25 degrees maximum
Material: steel comp 304 or steel comp 305 overall
Material Document And Classification: qq-s-763,cond a fed spec all material responses overall
Surface Treatment: cadmium and chromate overall except threads
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec 1st treatment response overall
Surface Treatment Document And Classification: qq-p-416 fed spec 2nd treatment response overall except threads
Specification/Standard Data: 80205-nas1734 professional/industrial association standard

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
5310PL0743543	Blind Rivet Self-Locking Nut
NAS1734-6L6P	Blind Rivet Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-056-0178?

The FSCG of the NSN 5310-01-056-0178 is 5310

Does the NSN 5310-01-056-0178 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-056-0178 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 5310-01-056-0178 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-056-0178 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 5310-01-056-0178 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Wed, Feb 15, 1978