FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Gear,oil Pump Idler, cataloged under National Stock Number 3020-00-148-1895, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. 50 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government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,oil Pump Idler
FSC / FSG
3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)
Technical Specifications
Parameter
Value
NSN
3020-00-148-1895
Item Name
Gear,oil Pump Idler
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 Items12
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5999-00-204-5758127001POSSIBLE MATCH
CLIP,ELECTRICAL
Possible match (shared part number)Littelfuse, Inc.
4510-00-216-5426POSSIBLE MATCH
ROD,TANK FLOAT,WATER CLOSET
Possible match (shared part number)
5960-00-248-3090POSSIBLE MATCH
ELECTRON TUBE
Possible match (shared part number)
5935-00-259-75167599662POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
Possible match (shared part number)Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
2910-00-354-5028POSSIBLE MATCH
BOWL,SEDIMENT
Possible match (shared part number)
2805-00-364-4947005902POSSIBLE MATCH
COUNTERWEIGHT
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
5960-00-929-12565902POSSIBLE MATCH
ELECTRON TUBE
Possible match (shared part number)Raytheon Company Dba Raytheon Co
8115-00-935-59025902POSSIBLE MATCH
BOX,SHIPPING
Possible match (shared part number)Loye Keesee Dba Keesee Box Company Div Government Resource Pkg Prod
5985-01-037-7352SM-A-718671-3POSSIBLE MATCH
WAVEGUIDE ASSEMBLY
Possible match (shared part number)Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6630-01-058-744721W0020POSSIBLE MATCH
TEST SET,WATER TURBIDITY AND COL
Possible match (shared part number)Ward's Natural Science Establishment Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
D15-680UPC609
5/9Secondary reference
Westinghouse Electric Corp
D15-631RPC780
3/2Design control — primary reference
U.S. Government activity
D15-680XPC609
3/2Design control — primary reference
U.S. Government activity
D15-631BPC780
5/9Secondary reference
Westinghouse Electric Corp
D15-680BPC609
5/2Secondary reference
U.S. Government activity
D15-680BPC609
5/9Secondary reference
Westinghouse Electric Corp
D15-631LPC780
3/2Design control — primary reference
U.S. Government activity
D15-704PPC880
3/2Design control — primary reference
U.S. Government activity
D15-651BPC880
5/9Secondary reference
Westinghouse Electric Corp
5902
5/9Secondary reference
Westinghouse Electric Corp Control Business Unit
D15-640LPC780
5/9Secondary reference
Westinghouse Electric Corp
D15-631QPC780
3/2Design control — primary reference
U.S. Government activity
D15-631MPC780
5/9Secondary reference
Westinghouse Electric Corp
D15-640QPC780
3/2Design control — primary reference
U.S. Government activity
D15-699RPC910
3/2Design control — primary reference
U.S. Government activity
D15-494PPC780
3/2Design control — primary reference
U.S. Government activity
D15-704PPC880
5/9Secondary reference
Westinghouse Electric Corp
D15-509RPC910
5/9Secondary reference
Westinghouse Electric Corp
D15-699VPC880
5/9Secondary reference
Westinghouse Electric Corp
D15-651MPC880
5/9Secondary reference
Westinghouse Electric Corp
Related Parts
5999-00-204-5758POSSIBLE MATCH
CLIP,ELECTRICAL
127001
4510-00-216-5426POSSIBLE MATCH
ROD,TANK FLOAT,WATER CLOSET
5960-00-248-3090POSSIBLE MATCH
ELECTRON TUBE
5935-00-259-7516POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
7599662
2910-00-354-5028POSSIBLE MATCH
BOWL,SEDIMENT
2805-00-364-4947POSSIBLE MATCH
COUNTERWEIGHT
005902
5960-00-929-1256POSSIBLE MATCH
ELECTRON TUBE
5902
8115-00-935-5902POSSIBLE MATCH
BOX,SHIPPING
5902
5985-01-037-7352POSSIBLE MATCH
WAVEGUIDE ASSEMBLY
SM-A-718671-3
6630-01-058-7447POSSIBLE MATCH
TEST SET,WATER TURBIDITY AND COL
21W0020
5340-01-085-4436POSSIBLE MATCH
CLIP,SPRING TENSION
6013-7CC
5950-01-154-7434POSSIBLE MATCH
REACTOR
77C717488P3
Frequently Asked Questions
What is NSN 3020-00-148-1895?
NSN 3020-00-148-1895 is a Gear,oil Pump Idler, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What NSN replaces 3020-00-148-1895?
12 possible matches (shared part number, not a government interchangeability claim): 5999-00-204-5758, 4510-00-216-5426, 5960-00-248-3090. Verify interchangeability with system specifications before substitution.
Is NSN 3020-00-148-1895 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.