The Gear,spur, cataloged under National Stock Number 3020-01-278-9922, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-278-9922 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Teeth Quantity | 32 |
| Material Document and Classification | STM A-322 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 322 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| H467JA001 | D/9 Drawing number reference only U.S. Government activity |
| H467JA001 ITEM 31 | 5/2 Secondary reference U.S. Government activity |
| C467JA032 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-278-9922 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-279-0272, 3020-01-279-0273, 3040-01-279-4605. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-278-9922: Teeth Quantity: 32; Material Document and Classification: STM A-322 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OVERALL; Material: STEEL COMP 322 OVERALL. 3 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.