Washer, Flat5310-01-583-0219

NSN 5310-01-583-0219 · NIIN 015830219 · Part number 22KP525

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

Government record, cited

NSN 5310-01-583-0219 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-583-0219. Manufacturer of record part number: 22KP525.

Also searched as 5310-01-583-0219 · 5310015830219 · NIIN 015830219 · 01-583-0219 · FSC 5310 Nuts and Washers · CAGE 75Q65 · 22KP525 · 9A016857 · 9S016857 · 1A020731

Nearby stock numbers ← 5310-01-583-0215 Washer, Flat · 5310-01-583-0331 Nut, Plain, Hexagon →

5310-01-583-0219 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 5310-01-583-0219
NIIN: 015830219
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 22KP525
Manufacturer: Oshkosh Defense Llc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-583-0219, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	Oshkosh Defense Llc (CAGE 75Q65)

Technical Specifications

Parameter	Value
NSN	5310-01-583-0219
Primary Part Number	22KP525
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Oshkosh Defense Llc
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
22KP525	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
9A016857	5/9 Secondary reference Modine Manufacturing Company Div Modine Jeff City
22KP525	5/9 Secondary reference Oshkosh Corp
9S016857	3/9 Design control — primary reference Modine Manufacturing Company Div Modine Jeff City
1A020731	D/9 Drawing number reference only Modine Manufacturing Company Div Modine Jeff City

Frequently Asked Questions

What is NSN 5310-01-583-0219?

NSN 5310-01-583-0219 is a Washer,flat, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-583-0219?

NSN 5310-01-583-0219 has 1 manufacturer part number on file: 22KP525 (Oshkosh Defense Llc).

Is NSN 5310-01-583-0219 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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