PartsTable TECHNICAL DATA SHEET

NSN 5310-01-166-1663Government record, cited

Washer, Shouldered5310-01-166-1663

NSN 5310-01-166-1663 · NIIN 011661663 · Part number 23017444

Allison Transmission Inc Dba Allison Transmission, Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 73342

Government record, cited

NSN 5310-01-166-1663 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-166-1663. Manufacturer of record part number: 23017444.

Also searched as 5310-01-166-1663 · 5310011661663 · NIIN 011661663 · 01-166-1663 · FSC 5310 Nuts and Washers · CAGE 73342 · 23017444 · 6774961 · 5310011661663

Nearby stock numbers ← 5310-01-166-1662 · 5310-01-166-1664 →

5310-01-166-1663 — Nuts and Washers

Features

Washer,shouldered — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Allison Transmission Inc Dba Allison Transmission, Inc

Identification

NSN: 5310-01-166-1663
NIIN: 011661663
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 23017444
Manufacturer: Allison Transmission Inc Dba Allison Transmission, Inc

General Description

The Washer,shouldered, cataloged under National Stock Number 5310-01-166-1663, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,shouldered
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Allison Transmission Inc Dba Allison Transmission, Inc (CAGE 73342)

Technical Specifications

Parameter	Value
NSN	5310-01-166-1663
Primary Part Number	23017444
Item Name	Washer,shouldered
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Allison Transmission Inc Dba Allison Transmission, 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)

Cross-Reference Index

Part Number	Manufacturer
23017444 PRIMARY	Allison Transmission Inc Dba Allison Transmission, Inc (USA)

Reference documents

Reference	Meaning
6774961	5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc
5310011661663	6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales

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 5310-01-166-1663?

NSN 5310-01-166-1663 is a Washer,shouldered, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-166-1663?

NSN 5310-01-166-1663 has 1 manufacturer part number on file: 23017444 (Allison Transmission Inc Dba Allison Transmission, Inc).

Is NSN 5310-01-166-1663 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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