The Gear,spur, cataloged under National Stock Number 3020-01-183-1777, 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 Fdh Defense Aftermarket, Llc. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-183-1777 |
| Primary Part Number | 5007070 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Fdh Defense Aftermarket, Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.650 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.438 INCHES SECOND END IN |
| Teeth Quantity | 52 |
| Body Style | WEBBED, WITH LIGHTENING HOLES |
| Counterbore Nominal Diameter | 1.950 INCHES BOTH ENDS IN |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.144 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.587 INCHES FIRST END IN |
| Hardness Rating | 58.0 ROCKWELL C NOMINAL OVERALL |
| Nominal Overall Length | 1.202 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | AMS 6265 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 5.2000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 5.400 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP E9310 OVERALL |
| Counterbore Nominal Depth | 0.407 INCHES BOTH ENDS IN |
| Face Nominal Width | 0.471 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 |
|---|---|
| 5007070 | Fdh Defense Aftermarket, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5007070 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-183-1777 is a Gear,spur, manufactured by Fdh Defense Aftermarket, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-183-1777 has 1 manufacturer part number on file: 5007070 (Fdh Defense Aftermarket, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5830-01-631-5214. Verify interchangeability with system specifications before substitution.
Key specifications for 5007070: Bore Nominal Diameter: 1.650 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.438 INCHES SECOND END IN; Teeth Quantity: 52; Body Style: WEBBED, WITH LIGHTENING HOLES. 20 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.