Washer, Flat5310-01-600-4290

NSN 5310-01-600-4290 · NIIN 016004290 · Part number 6630945

Melroe Co · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 9W224

Government record, cited

NSN 5310-01-600-4290 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-600-4290. Manufacturer of record part number: 6630945.

Also searched as 5310-01-600-4290 · 5310016004290 · NIIN 016004290 · 01-600-4290 · FSC 5310 Nuts and Washers · CAGE 9W224 · 6630945

Nearby stock numbers ← 5310-01-600-4149 Washer, Lock · 5310-01-600-4292 Washer, Flat →

5310-01-600-4290 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Melroe Co

Identification

NSN: 5310-01-600-4290
NIIN: 016004290
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 6630945
Manufacturer: Melroe Co

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-600-4290, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Melroe Co. 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	5310-01-600-4290
Primary Part Number	6630945
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Melroe Co
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
6630945 PRIMARY	Melroe Co (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 5310-01-600-4290?

NSN 5310-01-600-4290 is a Washer,flat, manufactured by Melroe Co, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-600-4290?

NSN 5310-01-600-4290 has 1 manufacturer part number on file: 6630945 (Melroe Co).

What are the specifications of 6630945?

Key specifications for 6630945: Part Name Assigned by Controlling Agency: WASHER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-600-4290 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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