PartsTable TECHNICAL DATA SHEET

NSN 3020-01-391-9873Government record, cited

Gear, Lock3020-01-391-9873

NSN 3020-01-391-9873 · NIIN 013919873

FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment

Government record, cited

Also searched as 3020-01-391-9873 · 3020013919873 · NIIN 013919873 · 01-391-9873 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain

Nearby stock numbers ← 3020-01-391-9248 · 3020-01-391-9901 Gear, Spur →

Features

Gear,lock — FSC 3020

Identification

NSN: 3020-01-391-9873
NIIN: 013919873
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Gear,lock, cataloged under National Stock Number 3020-01-391-9873, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Gear,lock
FSC / FSG	3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)

Technical Specifications

Parameter	Value
NSN	3020-01-391-9873
Item Name	Gear,lock
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

⇄ Related Items 4

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5961-01-418-8464137492 POSSIBLE MATCH

TRANSISTOR

Possible match (shared part number)Fluke Corp

5998-01-439-2751 POSSIBLE MATCH

CIRCUIT CARD ASSEMBLY

Possible match (shared part number)

2510-01-494-1208137492 POSSIBLE MATCH

FLOOR,BODY,VEHICULAR

Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm

5995-01-586-199513749-2 POSSIBLE MATCH

CABLE ASSEMBLY,SPECIAL PURPOSE,E

Possible match (shared part number)Science Applications International Corporation

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
137-49-2	3/2 Design control — primary reference U.S. Government activity

Related Parts

5961-01-418-8464POSSIBLE MATCH

TRANSISTOR

137492

5998-01-439-2751POSSIBLE MATCH

CIRCUIT CARD ASSEMBLY

2510-01-494-1208POSSIBLE MATCH

FLOOR,BODY,VEHICULAR

137492

5995-01-586-1995POSSIBLE MATCH

CABLE ASSEMBLY,SPECIAL PURPOSE,E

13749-2

Frequently Asked Questions

What is NSN 3020-01-391-9873?

NSN 3020-01-391-9873 is a Gear,lock, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What NSN replaces 3020-01-391-9873?

4 possible matches (shared part number, not a government interchangeability claim): 5961-01-418-8464, 5998-01-439-2751, 2510-01-494-1208. Verify interchangeability with system specifications before substitution.

Is NSN 3020-01-391-9873 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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