The Gear,spur, cataloged under National Stock Number 3020-00-239-3952, 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 Bae Systems Land & Armaments L.p.. Government technical data includes 19 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-239-3952 |
| Primary Part Number | 10310-4500-V1327 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Keyway Nominal Width | 0.1250 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.6867 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.0000 INCHES FIRST END IN |
| Teeth Quantity | 18 |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.0620 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 12 |
| Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.2860 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.4290 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.4050 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 1035 OVERALL |
| Face Nominal Width | 0.7500 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 |
|---|---|
| 10310-4500-V1327 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 10310-4500V1327F647 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
| 5W863PC30 | 5/9 Secondary reference U.S. Government activity |
| 4500-15V2199PC29 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
| 4500-15F666-30 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
| 4500-15V1919PC25 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
| 10310-4500V1327F598 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
| 10310-4500 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
| 10310-4500-V-13 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems Land & Armaments L.p. |
| 4500-15V1854PC25 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
| 4500-15F666PC30 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
| 4500-15F597PC34 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
NSN 3020-00-239-3952 is a Gear,spur, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-239-3952 has 1 manufacturer part number on file: 10310-4500-V1327 (Bae Systems Land & Armaments L.p.).
Key specifications for 10310-4500-V1327: Keyway Nominal Width: 0.1250 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.6867 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.0000 INCHES FIRST END IN; Teeth Quantity: 18. 19 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.