The Pulley,timing Belt, cataloged under National Stock Number 3020-00-557-7706, 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 Cyberguard Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-557-7706 |
| Primary Part Number | 00000273 |
| Item Name | Pulley,timing Belt |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cyberguard Corporation |
| Status | ACTIVE |
| Hub Diameter | 0.563 INCHES NOMINAL IN |
| Face Pitch Designation | XL |
| Face Type | SINGLE ROW SPROCKET TEETH |
| Bore Type | SPECIFIED |
| Face Groove/tooth Quantity | 14 |
| Bore Diameter | 0.250 INCHES NOMINAL IN |
| Material | STEEL |
| Face Width | 0.563 INCHES NOMINAL 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 |
|---|---|
| 00000273 | Cyberguard Corporation (USA) |
| Reference | Meaning |
|---|---|
| 14XL037 | 3/9 Design control — primary reference Dick R J Inc |
NSN 3020-00-557-7706 is a Pulley,timing Belt, manufactured by Cyberguard Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-557-7706 has 1 manufacturer part number on file: 00000273 (Cyberguard Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-359-5895. Verify interchangeability with system specifications before substitution.
Key specifications for 00000273: Hub Diameter: 0.563 INCHES NOMINAL IN; Face Pitch Designation: XL; Face Type: SINGLE ROW SPROCKET TEETH; Overall Length: 0.782 INCHES NOMINAL IN. 8 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.