PartsTable TECHNICAL DATA SHEET
NSN 3020-01-259-2351Government record, cited

Gear Cluster3020-01-259-2351

NSN 3020-01-259-2351 · NIIN 012592351 · Part number 39125
Marco Seattle Inc Dba Marco · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 09608
Government record, cited
NSN 3020-01-259-2351 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-259-2351. Manufacturer of record part number: 39125.
Also searched as  3020-01-259-2351 · 3020012592351 · NIIN 012592351 · 01-259-2351 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 09608 · 39125 · B39125
Nearby stock numbers  ·
Features
  • Gear Cluster — FSC 3020
  • Material: STEEL OVERALL
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Marco Seattle Inc Dba Marco
Identification
  • NSN: 3020-01-259-2351
  • NIIN: 012592351
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 39125
  • Manufacturer: Marco Seattle Inc Dba Marco
General Description

The Gear Cluster, cataloged under National Stock Number 3020-01-259-2351, 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 Marco Seattle Inc Dba Marco. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-259-2351
Primary Part Number39125
Item NameGear Cluster
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerMarco Seattle Inc Dba Marco
StatusACTIVE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6220-01-313-8220 POSSIBLE MATCH
LENS,LIGHT
Possible match (shared part number)
4720-01-483-5938 POSSIBLE MATCH
TUBING,NONMETALLIC
Possible match (shared part number)
4010-01-500-793339125 POSSIBLE MATCH
WIRE ROPE ASSEMBLY,SINGLE LEG
Possible match (shared part number)Allied Systems Company Dba Allied Systems Co
5306-01-556-493439125 POSSIBLE MATCH
BOLT,MACHINE
Possible match (shared part number)Fastenal Company Dba Fastenal Co
5120-01-580-7866 POSSIBLE MATCH
SOCKET,SOCKET WRENCH
Possible match (shared part number)
Cross-Reference Index
Part NumberManufacturer
39125 PRIMARY Marco Seattle Inc Dba Marco (USA)
B39125 Marco Seattle Inc Dba Marco (USA)
Related Parts
6220-01-313-8220POSSIBLE MATCH
LENS,LIGHT
4720-01-483-5938POSSIBLE MATCH
TUBING,NONMETALLIC
4010-01-500-7933POSSIBLE MATCH
WIRE ROPE ASSEMBLY,SINGLE LEG
39125
5306-01-556-4934POSSIBLE MATCH
BOLT,MACHINE
39125
5120-01-580-7866POSSIBLE MATCH
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 3020-01-259-2351?

NSN 3020-01-259-2351 is a Gear Cluster, manufactured by Marco Seattle Inc Dba Marco, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-259-2351?

NSN 3020-01-259-2351 has 2 manufacturer part numbers on file: 39125 (Marco Seattle Inc Dba Marco), B39125 (Marco Seattle Inc Dba Marco).

What NSN replaces 3020-01-259-2351?

5 possible matches (shared part number, not a government interchangeability claim): 6220-01-313-8220, 4720-01-483-5938, 4010-01-500-7933. Verify interchangeability with system specifications before substitution.

What are the specifications of 39125?

Key specifications for 39125: Material: STEEL OVERALL. 1 specification is documented in the U.S. Government catalog.

Is NSN 3020-01-259-2351 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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