NAS1291C02

View detailed technical data, stock status, and sourcing information for: NAS1291C02
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part NAS1291C02 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-727-0725

Item Name Code

29730

Assigment Date

01/01/1961 (65 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

prevailing torque all metal design locking feature, 0.080 inches minimum and 0.100 inches maximum overall height, 0.167 inches maximum washer outside diameter, right-hand thread direction, 3b 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: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.167 inches maximum
Overall Height: 0.080 inches minimum and 0.100 inches maximum
Nut Style: hexagon
Washer Thickness: 0.008 inches minimum
Width Across Flats: 0.122 inches minimum and 0.127 inches maximum
Temp Rating: 800.0 fahrenheit nominal
Thread Series: unjc
Thread Quantity Per Inch: 56
Nominal Thread Size: 0.086 inches
Countersink Angle: 120.0 degrees nominal nut
Material: iron alloy 660 overall
Material Document And Classification: ams 5525 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response overall
Precious Material And Location: external surface silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2410 assn std single treatment response overall
Specification/Standard Data: 80205-nas1291 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
10121618	Extended Washer Self-Locking Nut
5310PL0145300	Extended Washer Self-Locking Nut
NAS1291C02	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-727-0725?

The FSCG of the NSN 5310-00-727-0725 is 5310

Does the NSN 5310-00-727-0725 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-727-0725 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 5310-00-727-0725 contain precious materials?

Item contains silver.

Does NSN 5310-00-727-0725 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 5310-00-727-0725 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961