PartsTable TECHNICAL DATA SHEET

NSN 5310-01-159-4503Government record, cited

Washer, Lock5310-01-159-4503

NSN 5310-01-159-4503 · NIIN 011594503 · Part number 120-20278

Danfoss Power Solutions II, Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 01276

Government record, cited

NSN 5310-01-159-4503 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-159-4503. Manufacturer of record part number: 120-20278.

Also searched as 5310-01-159-4503 · 5310011594503 · NIIN 011594503 · 01-159-4503 · FSC 5310 Nuts and Washers · CAGE 01276 · 120-20278 · 5953856

Nearby stock numbers ← 5310-01-159-4502 Washer, Flat · 5310-01-159-4654 Nut, Special →

5310-01-159-4503 — Nuts and Washers

Features

Washer,lock — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Danfoss Power Solutions II, Llc

Identification

NSN: 5310-01-159-4503
NIIN: 011594503
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 120-20278
Manufacturer: Danfoss Power Solutions II, Llc

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-159-4503, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Danfoss Power Solutions II, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,lock
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Am General Llc (CAGE 34623); Danfoss Power Solutions II, Llc (CAGE 01276)

Technical Specifications

Parameter	Value
NSN	5310-01-159-4503
Primary Part Number	120-20278
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Danfoss Power Solutions II, Llc
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
5953856	Am General Llc (USA)
120-20278 PRIMARY	Danfoss Power Solutions II, Llc (USA)

Reference documents

Reference	Meaning
120-20278	3/9 Design control — primary reference Dana Corp Weatherhead Div

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 5310-01-159-4503?

NSN 5310-01-159-4503 is a Washer,lock, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-159-4503?

NSN 5310-01-159-4503 has 2 manufacturer part numbers on file: 5953856 (Am General Llc), 120-20278 (Danfoss Power Solutions II, Llc).

Is NSN 5310-01-159-4503 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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