The Adapter,test, cataloged under National Stock Number 4920-00-140-3440, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Naval Air Warfare Center Aircraft Div. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4920-00-140-3440 |
| Primary Part Number | 178AS460 |
| Item Name | Adapter,test |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Naval Air Warfare Center Aircraft Div |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT MAINTENANCE AND REPAIR |
| Test Item Connection Method | CONNECTOR |
| 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 |
|---|---|
| 178AS460 | S. W. Electronics & Manufacturing Corp. Dba Swemco (USA) |
| 178AS460 | Vertex Modernization and Sustainment Llc (USA) |
| 178AS460 PRIMARY | Naval Air Warfare Center Aircraft Div (USA) |
| Reference | Meaning |
|---|---|
| 178AS460 | 3/9 Design control — primary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 178AS460 | 5/9 Secondary reference Gryphon M&t, Llc Dba Cdi Development Services Llc |
| W16AWM54 | 5/1 Secondary reference U.S. Government activity |
| 178AS460 | 5/9 Secondary reference Sei Manufacturing Inc |
| AN/AWM-54 | 5/9 Secondary reference U.S. Government activity |
| 178AS460 | 5/9 Secondary reference U.S. Government activity |
| 178AS460 | 5/9 Secondary reference U.S. Government activity |
NSN 4920-00-140-3440 is a Adapter,test, manufactured by Naval Air Warfare Center Aircraft Div, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-140-3440 has 3 manufacturer part numbers on file: 178AS460 (S. W. Electronics & Manufacturing Corp. Dba Swemco), 178AS460 (Vertex Modernization and Sustainment Llc), 178AS460 (Naval Air Warfare Center Aircraft Div).
1 possible match (shared part number, not a government interchangeability claim): 4920-00-152-1997. Verify interchangeability with system specifications before substitution.
Key specifications for 178AS460: FSC Application Data: AIRCRAFT MAINTENANCE AND REPAIR; Test Item Connection Method: CONNECTOR. 2 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.