Nut, Self-Locking, Extended Washer5310-01-281-8546

NSN 5310-01-281-8546 · NIIN 012818546 · Part number 73781CM-1018

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

Government record, cited

NSN 5310-01-281-8546 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-281-8546. Manufacturer of record part number: 73781CM-1018.

Also searched as 5310-01-281-8546 · 5310012818546 · NIIN 012818546 · 01-281-8546 · FSC 5310 Nuts and Washers · CAGE 56878 · 73781CM-1018

Nearby stock numbers ← 5310-01-281-8545 · 5310-01-281-8547 Nut, Self-Locking, Extended Washer →

5310-01-281-8546 — Nuts and Washers

Features

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

Identification

NSN: 5310-01-281-8546
NIIN: 012818546
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 73781CM-1018
Manufacturer: Sps Technologies, Llc Dba PB Fasteners

General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-281-8546, 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	5310-01-281-8546
Primary Part Number	73781CM-1018
Item Name	Nut,self-Locking,extended Washer
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	F

Cross-Reference Index

Part Number	Manufacturer
73781CM-1018 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 5310-01-281-8546?

NSN 5310-01-281-8546 is a Nut,self-Locking,extended Washer, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-281-8546?

NSN 5310-01-281-8546 has 1 manufacturer part number on file: 73781CM-1018 (Sps Technologies, Llc Dba PB Fasteners).

What are the specifications of 73781CM-1018?

Key specifications for 73781CM-1018: End Item Identification: PACER SPECIAL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-281-8546 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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