22NCFMA1-256

View detailed technical data, stock status, and sourcing information for: 22NCFMA1-256
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-764-2430

Item Name Code

15893

Assigment Date

01/01/1960 (66 years ago)

A headed fastening device having a smooth shank which is hollow or having a cavity at its end and designed to have the shank clinched after insertion.

0.127 inches minimum and 0.131 inches maximum pilot diameter, right-hand thread direction, 3b thread class, 0.037 inches minimum and 0.043 inches maximum pilot length, prevailing torque with nonmetallic insert locking feature

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
Locking Feature: prevailing torque with nonmetallic insert
Pilot Diameter: 0.127 inches minimum and 0.131 inches maximum
Pilot Length: 0.037 inches minimum and 0.043 inches maximum
Counterbore Diameter: 0.096 inches minimum and 0.101 inches maximum nut
Nut Style: spline
Nut Diameter: 0.167 inches minimum and 0.177 inches maximum
Nut Height: 0.102 inches minimum and 0.128 inches maximum
Nut Counterbore Depth: 0.040 inches nominal nut
Temp Rating: 350.0 fahrenheit maximum
Thread Series: unjc
Thread Quantity Per Inch: 56
Nominal Thread Size: 0.086 inches
Material: plastic polyamide (nylon) locking insert
Material: steel comp 1212 nut
Material Document And Classification: aams 5010 assn std all material responses nut
Material Document And Classification: mil-m-20693 mil spec single material response locking insert
Surface Treatment: cadmium and chromate overall except insert
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses overall except insert

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-255-0448	No Name Available	02/01/1978

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
02-15124A01	Spline Self-Locking Nut
107079-1	Spline Self-Locking Nut
22NCFMA1-256	Spline Self-Locking Nut
C318009249	Spline Self-Locking Nut
F22NCFMA1-26	Spline Self-Locking Nut
SM-B-596636	Spline Self-Locking Nut
SM-B-596636-1	Spline Self-Locking Nut
SMC620000-1	Spline Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-764-2430?

The FSCG of the NSN 5310-00-764-2430 is 5310

Does the NSN 5310-00-764-2430 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-764-2430 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 5310-00-764-2430 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-764-2430 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 5310-00-764-2430 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960