SPB-A1S-A-L04 ITEM 12

View detailed technical data, stock status, and sourcing information for: SPB-A1S-A-L04 ITEM 12
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 SPB-A1S-A-L04 ITEM 12 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

5310-00-956-4549

Item Name Code

05277

Assigment Date

05/18/1966 (60 years ago)

An item specifically designed to fit over the opening(s) of various items to provide mechanical protection and/or to prevent the entrance of foreign matter during painting, shipping, storage, or the like. It is not designed to retain fluids under pressure during equipment operation. Excludes:cover, electrical connector; hood, sealing, bottle; and stopper, bottle. For items designed to fit into or over the opening(s) of various items, see cap-plug, protective, dust and moisture seal.

soluble lubricant lubrication, hexagon nut style, 3b thread class, right-hand thread direction, 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
Lubrication: soluble lubricant
Nut Style: hexagon
Nut Height: 0.282 inches maximum
End Item Identification: armored multi-purpose vehicle (ampv); a4 bradley fighting vehicle; a3 bradley fighting vehicle
Width Across Flats: 0.553 inches minimum and 0.564 inches maximum
Temp Rating: 250.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Countersink Angle: 88.0 degrees minimum nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: plastic polyamide (nylon) locking insert
Material: steel corrosion resisting nut
Surface Treatment: passivate overall except insert
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall except insert

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-753-7060	Hexagon Self-Locking Nut	07/01/2025
4730-01-455-3744	No Name Available	05/01/2004

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
002-004048-007	Hexagon Self-Locking Nut
412-3120	Hexagon Self-Locking Nut
5310009564549	Hexagon Self-Locking Nut
5710009564549	Hexagon Self-Locking Nut
60-07-6425	Hexagon Self-Locking Nut
HWLKFGXN	Hexagon Self-Locking Nut
LEFGXN	Hexagon Self-Locking Nut
MS21083C6	Hexagon Self-Locking Nut
SPB-A1S-A-L04 ITEM 12	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-956-4549?

The FSCG of the NSN 5310-00-956-4549 is 5310

Does the NSN 5310-00-956-4549 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-956-4549 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 5310-00-956-4549 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-956-4549 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 5310-00-956-4549 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, May 18, 1966