The Gear,spur, cataloged under National Stock Number 3020-00-735-9089, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-735-9089 |
| Primary Part Number | 8348727 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Bore Nominal Diameter | 2.441 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 3.050 INCHES BOTH ENDS IN |
| Teeth Quantity | 28 |
| Body Style | WEBBED, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES BOTH ENDS IN |
| Hardness Rating | 60.0 ROCKWELL C NOMINAL TEETH |
| Hardness Rating | 50.0 ROCKWELL C NOMINAL BODY |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 8630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.6667 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 4.998 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP 8630 OVERALL |
| Face Nominal Width | 0.520 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8348727 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 8348727 | 5/9 Secondary reference Tongil Heavy Industries Co. Ltd |
| 8348727 | C/1 Advisory reference — outside the item-of-supply concept Snt Dynamics Co., Ltd. Div Security Team |
| 8348727 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 3020007359089 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 3020-00-735-9089 is a Gear,spur, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-735-9089 has 1 manufacturer part number on file: 8348727 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8348727: Bore Nominal Diameter: 2.441 INCHES BOTH ENDS IN; Hub Nominal Diameter: 3.050 INCHES BOTH ENDS IN; Teeth Quantity: 28; Body Style: WEBBED, SOLID. 17 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.
NSN 3020-00-735-9089 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.