NSN 3020-00-131-7571 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-131-7571. Manufacturer of record part number: A4006.
Also searched as3020-00-131-7571 ·
3020001317571 ·
NIIN 001317571 ·
00-131-7571 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 12511 · A4006
Manufacturer of record: Simmonds Precision Products Inc
Identification
NSN: 3020-00-131-7571
NIIN: 001317571
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: A4006
Manufacturer: Simmonds Precision Products Inc
General Description
The Gear Cluster, cataloged under National Stock Number 3020-00-131-7571, 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 Simmonds Precision Products Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 items share 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
3020-00-131-7571
Primary Part Number
A4006
Item Name
Gear Cluster
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Simmonds Precision Products Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-00-411-81281655790-3POSSIBLE MATCH
ELBOW,TUBE TO BOSS
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-01-026-4824A-400-6POSSIBLE MATCH
NIPPLE,TUBE
Possible match (shared part number)Northrop Grumman Systems Corporation
4730-01-029-0166A-400-6POSSIBLE MATCH
NIPPLE,TUBE
Possible match (shared part number)Swagelok Co
4920-01-087-4233A4006POSSIBLE MATCH
COVER ASSEMBLY,REAR
Possible match (shared part number)Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
NSN 3020-00-131-7571 is a Gear Cluster, manufactured by Simmonds Precision Products Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-00-131-7571?
NSN 3020-00-131-7571 has 1 manufacturer part number on file: A4006 (Simmonds Precision Products Inc).
What NSN replaces 3020-00-131-7571?
4 possible matches (shared part number, not a government interchangeability claim): 4730-00-411-8128, 4730-01-026-4824, 4730-01-029-0166. Verify interchangeability with system specifications before substitution.
What are the specifications of A4006?
Key specifications for A4006: Special Features: STEEL CORROSION RESISTING ALL GEARS,TWO GEARS,ALL GEARS SPUR,SPECIFIEDDIAMETRAL PITCH 96 ALL GEARS,TEETH QUANTITY 39 FIRST GEAR AND 31 SECOND GEAR,PRESSURE ANGLE 20 DEG,CLASS OF GEAR 1 TOL,SPUR GEAR STANDARD GEAR,PRESSURE ANGLE 20 DEG.,CLASS OF GEAR 1TOL. 0 specifications are documented in the U.S. Government catalog.
Is NSN 3020-00-131-7571 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.
What is the DEMIL code for NSN 3020-00-131-7571?
NSN 3020-00-131-7571 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.