PartsTable TECHNICAL DATA SHEET

NSN 5310-01-081-8249Government record, cited

Washer, Lock5310-01-081-8249

NSN 5310-01-081-8249 · NIIN 010818249 · Part number 3FC3

Oshkosh Defense Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 75Q65

Government record, cited

NSN 5310-01-081-8249 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-081-8249. Manufacturer of record part number: 3FC3.

Also searched as 5310-01-081-8249 · 5310010818249 · NIIN 010818249 · 01-081-8249 · FSC 5310 Nuts and Washers · CAGE 75Q65 · 3FC3 · 93611635

Nearby stock numbers ← 5310-01-081-8248 Washer, Flat · 5310-01-081-8268 Washer, Special →

5310-01-081-8249 — Nuts and Washers

Features

Washer,lock — FSC 5310
Material: STEEL CORROSION RESISTING OVERALL
1 manufacturer part number on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 5310-01-081-8249
NIIN: 010818249
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 3FC3
Manufacturer: Oshkosh Defense Llc

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-081-8249, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-081-8249
Primary Part Number	3FC3
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Oshkosh Defense Llc
Status	ACTIVE
Material	STEEL CORROSION RESISTING OVERALL

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
3FC3 PRIMARY	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
93611635	5/9 Secondary reference Kidde Fire Fighting, Inc. Div National Foam
3FC3	5/9 Secondary reference Oshkosh Corp

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 5310-01-081-8249?

NSN 5310-01-081-8249 is a Washer,lock, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-081-8249?

NSN 5310-01-081-8249 has 1 manufacturer part number on file: 3FC3 (Oshkosh Defense Llc).

What are the specifications of 3FC3?

Key specifications for 3FC3: Material: STEEL CORROSION RESISTING OVERALL. 1 specification is documented in the U.S. Government catalog.

Is NSN 5310-01-081-8249 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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