NSN 3020-01-137-3596 · NIIN 011373596 · Part number 426-8-33
Columbia Machine Inc · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 34462
Government record, cited
NSN 3020-01-137-3596 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-137-3596. Manufacturer of record part number: 426-8-33.
Also searched as3020-01-137-3596 ·
3020011373596 ·
NIIN 011373596 ·
01-137-3596 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 34462 · 426-8-33
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 426-8-33
Manufacturer: Columbia Machine Inc
General Description
The Sprocket Assy, cataloged under National Stock Number 3020-01-137-3596, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Columbia Machine Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 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
Sprocket Assy
FSC / FSG
3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)
Manufacturers
Columbia Machine Inc (CAGE 34462)
Technical Specifications
Parameter
Value
NSN
3020-01-137-3596
Primary Part Number
426-8-33
Item Name
Sprocket Assy
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Columbia Machine 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)
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-01-199-6641910N-6D28BCPOSSIBLE MATCH
PUMP,RECIPROCATING
Possible match (shared part number)Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
NSN 3020-01-137-3596 is a Sprocket Assy, manufactured by Columbia Machine Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-137-3596?
NSN 3020-01-137-3596 has 1 manufacturer part number on file: 426-8-33 (Columbia Machine Inc).
What NSN replaces 3020-01-137-3596?
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-199-6641, 4320-01-413-9650. Verify interchangeability with system specifications before substitution.
Is NSN 3020-01-137-3596 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.