The Bottom Base Assembly, cataloged under National Stock Number 4940-01-478-1446, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Better Engineering Manufacturing Inc. Government technical data includes 1 specification, 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 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 | 4940-01-478-1446 |
| Primary Part Number | 0785 |
| Item Name | Bottom Base Assembly |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Better Engineering Manufacturing Inc |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 0785 PRIMARY | Better Engineering Manufacturing Inc (USA) |
NSN 4940-01-478-1446 is a Bottom Base Assembly, manufactured by Better Engineering Manufacturing Inc, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-478-1446 has 1 manufacturer part number on file: 0785 (Better Engineering Manufacturing Inc).
1 possible match (shared part number, not a government interchangeability claim): 4920-01-662-1382. Verify interchangeability with system specifications before substitution.
Key specifications for 0785: Criticality Code Justification: AGAV; Special Features: FACILITY TYPE EQUIPMENT FOR AIRFRAMES DVSN-IMA,HAMS,HAMS/USMC,WG SERVICE GROUP I LEVEL MAINTENANCE; Part Name Assigned by Controlling Agency: (INAVY)BOTTOM BASE ASSEMBLY; End Item Identification: CLEANER,STEAM,PRESSURE 01-428-5831. 1 specification is 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.