Nut, Self-Locking, Hexagon5310-01-283-3281

NSN 5310-01-283-3281 · NIIN 012833281 · Part number 23FK-420

Sps Technologies, Llc Dba PB Fasteners · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 56878

Government record, cited

NSN 5310-01-283-3281 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-283-3281. Manufacturer of record part number: 23FK-420.

Also searched as 5310-01-283-3281 · 5310012833281 · NIIN 012833281 · 01-283-3281 · FSC 5310 Nuts and Washers · CAGE 56878 · 23FK-420

Nearby stock numbers ← 5310-01-283-3280 Nut, Self-Locking, Hexagon · 5310-01-283-3528 Nut, Plain, Hexagon →

5310-01-283-3281 — Nuts and Washers

Features

Nut,self-Locking,hexagon — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Sps Technologies, Llc Dba PB Fasteners

Identification

NSN: 5310-01-283-3281
NIIN: 012833281
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 23FK-420
Manufacturer: Sps Technologies, Llc Dba PB Fasteners

General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-283-3281, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-283-3281
Primary Part Number	23FK-420
Item Name	Nut,self-Locking,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Sps Technologies, Llc Dba PB Fasteners
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
23FK-420 PRIMARY	Sps Technologies, Llc Dba PB Fasteners (USA)

No interchangeability data on file.

Other items in FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-283-3281?

NSN 5310-01-283-3281 is a Nut,self-Locking,hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-283-3281?

NSN 5310-01-283-3281 has 1 manufacturer part number on file: 23FK-420 (Sps Technologies, Llc Dba PB Fasteners).

What are the specifications of 23FK-420?

Key specifications for 23FK-420: Special Features: USED ON F112 ENG; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-283-3281 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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