The Gear,spur, cataloged under National Stock Number 3020-00-026-8943, 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 Tyco Fire Products Lp. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-026-8943 |
| Primary Part Number | 11-02627 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Tyco Fire Products Lp |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.1260 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.4970 INCHES FIRST END IN |
| Teeth Quantity | 52 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.875 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | FED STD66,AISI/SAE 1030 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.3310 INCHES MINIMUM AND 4.3330 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 4.500 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 5155 OVERALL |
| Face Nominal Width | 0.500 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 |
|---|---|
| 11-02627 PRIMARY | Tyco Fire Products Lp (USA) |
| Reference | Meaning |
|---|---|
| SC2627 | 5/9 Secondary reference Tyco Fire Products Lp |
NSN 3020-00-026-8943 is a Gear,spur, manufactured by Tyco Fire Products Lp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-026-8943 has 1 manufacturer part number on file: 11-02627 (Tyco Fire Products Lp).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-276-1795, 7510-01-726-0610. Verify interchangeability with system specifications before substitution.
Key specifications for 11-02627: Bore Nominal Diameter: 1.1260 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.4970 INCHES FIRST END IN; Teeth Quantity: 52; Body Style: PLAIN, SOLID. 16 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.