NSN 3020-00-894-7594 · NIIN 008947594 · Part number 12594
Grimes Aerospace Company · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 72914
Government record, cited
NSN 3020-00-894-7594 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-894-7594. Manufacturer of record part number: 12594.
Also searched as3020-00-894-7594 ·
3020008947594 ·
NIIN 008947594 ·
00-894-7594 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 72914 · 12594
Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Body Style: PLAIN, SOLID
Bore Style: PLAIN BOTH ENDS
Style Designator: HUBLESS
Material Document and Classification: QQ-B-613,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Identification
NSN: 3020-00-894-7594
NIIN: 008947594
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 12594
Manufacturer: Grimes Aerospace Company
General Description
The Gear,spur, cataloged under National Stock Number 3020-00-894-7594, 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 Grimes Aerospace Company. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 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
3020-00-894-7594
Primary Part Number
12594
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Grimes Aerospace Company
Status
ACTIVE
Bore Nominal Diameter
1.4985 INCHES BOTH ENDS IN
Teeth Quantity
113
Surface Treatment Document and Classification
QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Body Style
PLAIN, SOLID
Bore Style
PLAIN BOTH ENDS
Style Designator
HUBLESS
Material Document and Classification
QQ-B-613,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pitch Diameter
1.6710 INCHES NOMINAL IN
Tooth Form
STANDARD
Nominal Outside Diameter
1.710 INCHES IN
Surface Treatment
CADMIUM OVERALL
Pressure Angle
20.0000 DEGREES
Material
COPPER ALLOY OVERALL
Face Nominal Width
0.064 INCHES 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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6130-00-968-0750POSSIBLE MATCH
POWER SUPPLY SUBASSEMBLY
Possible match (shared part number)
5950-01-151-8805104713-1POSSIBLE MATCH
TRANSFORMER,AUDIO FREQUENCY
Possible match (shared part number)L3harris Technologies, Inc.
5930-01-303-447312594POSSIBLE MATCH
SWITCH APU LOW OPRS
Possible match (shared part number)Hydra-Electric Company Dba Hydra-Electric Co
6640-01-341-6096POSSIBLE MATCH
SLIDE,WARMER
Possible match (shared part number)
3130-01-507-2450POSSIBLE MATCH
HOUSING,BEARING UNIT
Possible match (shared part number)
3120-01-518-1291125-94POSSIBLE MATCH
BEARING,WASHER,THRUST
Possible match (shared part number)Prj Equipment Co
NSN 3020-00-894-7594 is a Gear,spur, manufactured by Grimes Aerospace Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-00-894-7594?
NSN 3020-00-894-7594 has 1 manufacturer part number on file: 12594 (Grimes Aerospace Company).
What NSN replaces 3020-00-894-7594?
6 possible matches (shared part number, not a government interchangeability claim): 6130-00-968-0750, 5950-01-151-8805, 5930-01-303-4473. Verify interchangeability with system specifications before substitution.
What are the specifications of 12594?
Key specifications for 12594: Bore Nominal Diameter: 1.4985 INCHES BOTH ENDS IN; Teeth Quantity: 113; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Style: PLAIN, SOLID. 14 specifications are documented in the U.S. Government catalog.
Is NSN 3020-00-894-7594 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.