Washer, Lock5310-01-528-7283

NSN 5310-01-528-7283 · NIIN 015287283 · Part number H4-1000LW

Baird Supporting Systems Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0Y912

Government record, cited

NSN 5310-01-528-7283 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-528-7283. Manufacturer of record part number: H4-1000LW.

Also searched as 5310-01-528-7283 · 5310015287283 · NIIN 015287283 · 01-528-7283 · FSC 5310 Nuts and Washers · CAGE 0Y912 · H4-1000LW

Nearby stock numbers ← 5310-01-528-7274 Nut, Plain, Round · 5310-01-528-7503 Nut, Self-Locking, Hexagon →

5310-01-528-7283 — Nuts and Washers

Features

Washer,lock — FSC 5310
Material: ZINC ALLOY OVERALL
1 manufacturer part number on file
Manufacturer of record: Baird Supporting Systems Inc

Identification

NSN: 5310-01-528-7283
NIIN: 015287283
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: H4-1000LW
Manufacturer: Baird Supporting Systems Inc

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-528-7283, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Baird Supporting Systems Inc. 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-528-7283
Primary Part Number	H4-1000LW
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Baird Supporting Systems Inc
Status	ACTIVE
Material	ZINC ALLOY 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
H4-1000LW PRIMARY	Baird Supporting Systems Inc (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 5310-01-528-7283?

NSN 5310-01-528-7283 is a Washer,lock, manufactured by Baird Supporting Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-528-7283?

NSN 5310-01-528-7283 has 1 manufacturer part number on file: H4-1000LW (Baird Supporting Systems Inc).

What are the specifications of H4-1000LW?

Key specifications for H4-1000LW: Special Features: 0.375 INCH NOMINAL THREAD DIAMETER;SPLIT IN; End Item Identification: BALLAST TRAY; Material: ZINC ALLOY OVERALL. 1 specification is documented in the U.S. Government catalog.

Is NSN 5310-01-528-7283 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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