The Gear,spur, cataloged under National Stock Number 3020-00-107-1124, 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 Cooper Machinery Services Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-107-1124 |
| Primary Part Number | 004-034 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 11.0625 INCHES BOTH ENDS IN |
| Teeth Quantity | 100 |
| Body Style | WEBBED, SOLID |
| Bore Style | STRAIGHT SPLINE BOTH ENDS |
| Style Designator | HUBLESS, RECESSED BODY |
| Pitch Diameter | 12.6250 INCHES NOMINAL IN |
| Spline Quantity | 5 BOTH ENDS |
| Nominal Outside Diameter | 13.5000 INCHES IN |
| Material | STEEL OVERALL |
| Body Recess Nominal Depth | 0.5620 INCHES BOTH ENDS IN |
| Face Nominal Width | 2.125 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 004-034 PRIMARY | Cooper Machinery Services Llc (USA) |
| Reference | Meaning |
|---|---|
| B004-034 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| 004-034 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
NSN 3020-00-107-1124 is a Gear,spur, manufactured by Cooper Machinery Services Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-107-1124 has 1 manufacturer part number on file: 004-034 (Cooper Machinery Services Llc).
2 possible matches (shared part number, not a government interchangeability claim): 3020-00-321-2796, 3830-00-690-6502. Verify interchangeability with system specifications before substitution.
Key specifications for 004-034: Bore Nominal Diameter: 11.0625 INCHES BOTH ENDS IN; Teeth Quantity: 100; Body Style: WEBBED, SOLID; Bore Style: STRAIGHT SPLINE BOTH ENDS. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.