Gear Box4820-01-123-1652

NSN 4820-01-123-1652 · NIIN 011231652

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-123-1652 · 4820011231652 · NIIN 011231652 · 01-123-1652 · FSC 4820 Valves, Nonpowered · 845-4687729 · 4687729-0027 · 2641-792-04 ITEM 27 · 4687729-0027 ASSY 101 · 2641-792-04

Nearby stock numbers ← 4820-01-123-1641 Valve, Regulating, Temperature · 4820-01-123-1659 →

4820-01-123-1652 — Valves, Nonpowered

Features

Gear Box — FSC 4820
General Characteristics Item Description: 23.53 IN.O/A LG; 3 WAY; 4 PLUGS IN

Identification

NSN: 4820-01-123-1652
NIIN: 011231652
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Gear Box, cataloged under National Stock Number 4820-01-123-1652, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-123-1652
Item Name	Gear Box
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
General Characteristics Item Description	23.53 IN.O/A LG; 3 WAY; 4 PLUGS IN

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 1

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

3020-01-170-25632641-792-04 ITEM 6 POSSIBLE MATCH

GEAR,SPUR

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

Cross-Reference Index

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

Reference documents

Reference	Meaning
845-4687729	D/9 Drawing number reference only U.S. Government activity
4687729-0027	5/2 Secondary reference U.S. Government activity
2641-792-04 ITEM 27	3/2 Design control — primary reference U.S. Government activity
4687729-0027 ASSY 101	5/9 Secondary reference U.S. Government activity
2641-792-04	D/9 Drawing number reference only U.S. Government activity

Related Parts

3020-01-170-2563POSSIBLE MATCH

GEAR,SPUR

2641-792-04 ITEM 6

Frequently Asked Questions

What is NSN 4820-01-123-1652?

NSN 4820-01-123-1652 is a Gear Box, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-123-1652?

1 possible match (shared part number, not a government interchangeability claim): 3020-01-170-2563. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-123-1652?

Key specifications for 4820-01-123-1652: General Characteristics Item Description: 23.53 IN.O/A LG; 3 WAY; 4 PLUGS IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-123-1652 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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