Washer, Split5310-01-566-8680

NSN 5310-01-566-8680 · NIIN 015668680 · Part number M99-151

Military Systems Group, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0DDW5

Government record, cited

NSN 5310-01-566-8680 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-566-8680. Manufacturer of record part number: M99-151.

Also searched as 5310-01-566-8680 · 5310015668680 · NIIN 015668680 · 01-566-8680 · FSC 5310 Nuts and Washers · CAGE 0DDW5 · M99-151

Nearby stock numbers ← 5310-01-566-8619 Washer, Split · 5310-01-566-8687 Nut, Plain, Hexagon →

5310-01-566-8680 — Nuts and Washers

Features

Washer,split — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Military Systems Group, Inc.

Identification

NSN: 5310-01-566-8680
NIIN: 015668680
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: M99-151
Manufacturer: Military Systems Group, Inc.

General Description

The Washer,split, cataloged under National Stock Number 5310-01-566-8680, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Military Systems Group, 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.

Catalog Facts

Item Name	Washer,split
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Military Systems Group, Inc. (CAGE 0DDW5)

Technical Specifications

Parameter	Value
NSN	5310-01-566-8680
Primary Part Number	M99-151
Item Name	Washer,split
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Military Systems Group, 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
M99-151 PRIMARY	Military Systems Group, 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 5310-01-566-8680?

NSN 5310-01-566-8680 is a Washer,split, manufactured by Military Systems Group, Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-566-8680?

NSN 5310-01-566-8680 has 1 manufacturer part number on file: M99-151 (Military Systems Group, Inc.).

Is NSN 5310-01-566-8680 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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