Washer, Flat5310-01-305-9442

NSN 5310-01-305-9442 · NIIN 013059442 · Part number 51-2533-04026P

Zwick Energy Researach Organization Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 58328

Government record, cited

NSN 5310-01-305-9442 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-305-9442. Manufacturer of record part number: 51-2533-04026P.

Also searched as 5310-01-305-9442 · 5310013059442 · NIIN 013059442 · 01-305-9442 · FSC 5310 Nuts and Washers · CAGE 58328 · 51-2533-04026P · 51-2533-04026

Nearby stock numbers ← 5310-01-305-9441 · 5310-01-305-9445 →

5310-01-305-9442 — Nuts and Washers

Features

Washer,flat — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Zwick Energy Researach Organization Inc

Identification

NSN: 5310-01-305-9442
NIIN: 013059442
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 51-2533-04026P
Manufacturer: Zwick Energy Researach Organization Inc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-305-9442, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Zwick Energy Researach Organization Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Zwick Energy Researach Organization Inc (CAGE 58328)

Technical Specifications

Parameter	Value
NSN	5310-01-305-9442
Primary Part Number	51-2533-04026P
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Zwick Energy Researach Organization Inc
Status	ACTIVE

Lifecycle & Compliance

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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5310-01-307-2360 POSSIBLE MATCH

WASHER,SEAL

Possible match (shared part number)

Cross-Reference Index

Part Number	Manufacturer
51-2533-04026P PRIMARY	Zwick Energy Researach Organization Inc (USA)
51-2533-04026	Zwick Energy Researach Organization Inc (USA)

Related Parts

5310-01-307-2360POSSIBLE MATCH

WASHER,SEAL

Frequently Asked Questions

What is NSN 5310-01-305-9442?

NSN 5310-01-305-9442 is a Washer,flat, manufactured by Zwick Energy Researach Organization Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-305-9442?

NSN 5310-01-305-9442 has 2 manufacturer part numbers on file: 51-2533-04026P (Zwick Energy Researach Organization Inc), 51-2533-04026 (Zwick Energy Researach Organization Inc).

What NSN replaces 5310-01-305-9442?

1 possible match (shared part number, not a government interchangeability claim): 5310-01-307-2360. Verify interchangeability with system specifications before substitution.

Is NSN 5310-01-305-9442 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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