PartsTable TECHNICAL DATA SHEET

NSN 5310-01-478-7314Government record, cited

Washer, Flat5310-01-478-7314

NSN 5310-01-478-7314 · NIIN 014787314 · Part number K91520

The Timken Corporation · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 60038

Government record, cited

NSN 5310-01-478-7314 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-478-7314. Manufacturer of record part number: K91520.

Also searched as 5310-01-478-7314 · 5310014787314 · NIIN 014787314 · 01-478-7314 · FSC 5310 Nuts and Washers · CAGE 60038 · K91520 · 3244023 · 3244023 · 5310PL1830983

Nearby stock numbers ← 5310-01-478-7312 Washer, Slotted · 5310-01-478-7351 Nut, Plain, Hexagon →

5310-01-478-7314 — Nuts and Washers

Features

Washer,flat — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: The Timken Corporation

Identification

NSN: 5310-01-478-7314
NIIN: 014787314
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: K91520
Manufacturer: The Timken Corporation

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-478-7314, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Timken Corporation. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	The Timken Corporation (CAGE 60038); Oshkosh Defense Llc (CAGE 75Q65)

Technical Specifications

Parameter	Value
NSN	5310-01-478-7314
Primary Part Number	K91520
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	The Timken Corporation
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
K91520 PRIMARY	The Timken Corporation (USA)
3244023	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
3244023	5/9 Secondary reference Oshkosh Corp
5310PL1830983	6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index

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 5310-01-478-7314?

NSN 5310-01-478-7314 is a Washer,flat, manufactured by The Timken Corporation, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-478-7314?

NSN 5310-01-478-7314 has 2 manufacturer part numbers on file: K91520 (The Timken Corporation), 3244023 (Oshkosh Defense Llc).

Is NSN 5310-01-478-7314 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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