The Gear,spur, cataloged under National Stock Number 3020-00-269-9686, 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 Ambac International Corporation Div Ambac International. Government technical data includes 13 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-269-9686 |
| Primary Part Number | 50863PC16 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ambac International Corporation Div Ambac International |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.234 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.344 INCHES FIRST END IN |
| Teeth Quantity | 132 |
| Body Style | PLAIN, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.219 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.138 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Nominal Overall Length | 0.344 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 2.7500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Pressure Angle | 14.5000 DEGREES |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.125 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 |
|---|---|
| 50863PC16 PRIMARY | Ambac International Corporation Div Ambac International (USA) |
| Reference | Meaning |
|---|---|
| 206-429 | 5/2 Secondary reference U.S. Government activity |
| 979-1A468 | 5/9 Secondary reference Gap Instrument Corp |
| B2160 | 5/9 Secondary reference U.S. Government activity |
| 979-1A468 | 5/9 Secondary reference Advanced Logic Resources Inc Dba Alr |
| 979-1B468 | 5/9 Secondary reference Advanced Logic Resources Inc Dba Alr |
| R11260 | 5/9 Secondary reference Seeburg Corp the Seeburg Products Div |
| 50863-16 | 5/9 Secondary reference Arma Div Ambac Industries Inc |
| 979-1B468 | 5/9 Secondary reference Gap Instrument Corp |
NSN 3020-00-269-9686 is a Gear,spur, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-269-9686 has 1 manufacturer part number on file: 50863PC16 (Ambac International Corporation Div Ambac International).
3 possible matches (shared part number, not a government interchangeability claim): 4510-01-369-5881, 4510-01-373-2917, 1680-01-467-8744. Verify interchangeability with system specifications before substitution.
Key specifications for 50863PC16: Bore Nominal Diameter: 0.234 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.344 INCHES FIRST END IN; Teeth Quantity: 132; Body Style: PLAIN, SOLID. 13 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.