PartsTable TECHNICAL DATA SHEET

NSN 3020-01-700-7942Government record, cited

Guard, Mechanical Drive3020-01-700-7942

NSN 3020-01-700-7942 · NIIN 017007942

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

Government record, cited

Also searched as 3020-01-700-7942 · 3020017007942 · NIIN 017007942 · 01-700-7942 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · 212A4659-14 · 212A4659

Nearby stock numbers ← 3020-01-700-7760 Pulley, Groove · 3020-01-700-8214 Gear, Spur →

Features

Guard,mechanical Drive — FSC 3020

Identification

NSN: 3020-01-700-7942
NIIN: 017007942
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Guard,mechanical Drive, cataloged under National Stock Number 3020-01-700-7942, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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	Guard,mechanical Drive
FSC / FSG	3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)

Technical Specifications

Parameter	Value
NSN	3020-01-700-7942
Item Name	Guard,mechanical Drive
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)
Criticality Code	X

⇄ Related Items 3

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

3020-01-700-8531212A4659-9 POSSIBLE MATCH

GUARD,MECHANICAL DRIVE

Possible match (shared part number)The Boeing Company Div Defense

3020-01-700-8738212A4659-4 POSSIBLE MATCH

GUARD,MECHANICAL DRIVE

Possible match (shared part number)The Boeing Company Div Defense

3020-01-700-8739212A4659-1 POSSIBLE MATCH

GUARD,MECHANICAL DRIVE

Possible match (shared part number)The Boeing Company Div Defense

Cross-Reference Index

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

Reference documents

Reference	Meaning
212A4659-14	3/2 Design control — primary reference U.S. Government activity
212A4659	D/9 Drawing number reference only U.S. Government activity

Related Parts

3020-01-700-8531POSSIBLE MATCH

GUARD,MECHANICAL DRIVE

212A4659-9

3020-01-700-8738POSSIBLE MATCH

GUARD,MECHANICAL DRIVE

212A4659-4

3020-01-700-8739POSSIBLE MATCH

GUARD,MECHANICAL DRIVE

212A4659-1

Frequently Asked Questions

What is NSN 3020-01-700-7942?

NSN 3020-01-700-7942 is a Guard,mechanical Drive, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What NSN replaces 3020-01-700-7942?

3 possible matches (shared part number, not a government interchangeability claim): 3020-01-700-8531, 3020-01-700-8738, 3020-01-700-8739. Verify interchangeability with system specifications before substitution.

Is NSN 3020-01-700-7942 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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