Washer, Flat5310-01-547-0530

NSN 5310-01-547-0530 · NIIN 015470530 · Part number B28657

Harken Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0LEM6

Government record, cited

NSN 5310-01-547-0530 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-547-0530. Manufacturer of record part number: B28657.

Also searched as 5310-01-547-0530 · 5310015470530 · NIIN 015470530 · 01-547-0530 · FSC 5310 Nuts and Washers · CAGE 0LEM6 · B28657

Nearby stock numbers ← 5310-01-547-0508 Washer, Flat · 5310-01-547-0596 Nut, Self-Locking, Hexagon →

5310-01-547-0530 — Nuts and Washers

Features

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

Identification

NSN: 5310-01-547-0530
NIIN: 015470530
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: B28657
Manufacturer: Harken Inc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-547-0530, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Harken Inc. 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	5310-01-547-0530
Primary Part Number	B28657
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Harken 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)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
B28657 PRIMARY	Harken 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 5310-01-547-0530?

NSN 5310-01-547-0530 is a Washer,flat, manufactured by Harken Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-547-0530?

NSN 5310-01-547-0530 has 1 manufacturer part number on file: B28657 (Harken Inc).

What are the specifications of B28657?

Key specifications for B28657: Part Name Assigned by Controlling Agency: WASHER-64.3; End Item Identification: 1940015267164, MK3 BRIDGE ERECTION BOAT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-547-0530 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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