The Gear,spur, cataloged under National Stock Number 3020-00-816-8972, 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 Ontic Engineering & Manufacturing, Inc Dba Ontic Us. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-816-8972 |
| Primary Part Number | 129711-01 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.282 INCHES BOTH ENDS IN |
| Teeth Quantity | 47 |
| Body Style | PLAIN, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Style Designator | HUBLESS |
| Pitch Diameter | 0.9791 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Spline Quantity | 10 BOTH ENDS |
| Nominal Outside Diameter | 1.019 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Spline Pitch Diameter | 0.3150 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.562 INCHES IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 129711-01 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 129711-01 | 5/9 Secondary reference Ge Aviation Systems Llc |
| 129711-01 | 5/9 Secondary reference Safran Power Usa Llc |
| 129711-01 | 3/9 Design control — primary reference Lucas Aerospace Power Equipment Corporation |
NSN 3020-00-816-8972 is a Gear,spur, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-816-8972 has 1 manufacturer part number on file: 129711-01 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 129711-01: Bore Nominal Diameter: 0.282 INCHES BOTH ENDS IN; Teeth Quantity: 47; Body Style: PLAIN, SOLID; Bore Style: INVOLUTE SPLINE BOTH ENDS. 14 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.
NSN 3020-00-816-8972 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.