The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-161-7640, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-161-7640 |
| Primary Part Number | 12330577 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| 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 |
|---|---|
| BML42980 | Amz Alabama Inc. (USA) |
| 12330577 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| BML42980 | 7/2 Vendor item drawing reference Bae Systems Land & Armaments L.p. |
| FB4016 | 5/9 Secondary reference Emerson Power Transmission Corporation Div Ept |
NSN 3010-01-161-7640 is a Coupling,shaft,rigid, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-161-7640 has 2 manufacturer part numbers on file: BML42980 (Amz Alabama Inc.), 12330577 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-287-8985. Verify interchangeability with system specifications before substitution.
Key specifications for 12330577: End Item Identification: END ITEM IS CARRIER,AMMUNITION,TRACKED ; NSN 2350-01-110-4660 ; MODEL M992. 0 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.