The Adapter,mechanical Test, cataloged under National Stock Number 4940-01-563-9773, 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 Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-01-563-9773 |
| Primary Part Number | SA7138977-1 |
| Item Name | Adapter,mechanical Test |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Naval Sea Systems Command |
| 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 |
|---|---|
| SA7138977-1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| SA7138977-1 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4940-01-563-9773 is a Adapter,mechanical Test, manufactured by Naval Sea Systems Command, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-563-9773 has 1 manufacturer part number on file: SA7138977-1 (Naval Sea Systems Command).
Key specifications for SA7138977-1: Special Features: CONSISTS OF A 4-WAY BALL VALVE, AMALE NIPPLE .125-27 NPTF, A .125-27 NPTF SQUARE HEAD PLUG, A 0-160 PSI PRESSURE GUAGE, TWO .125-27 NPTF STEEL PIPES, A .125-27 NPTF BRASS UNION TEE, ANDA FEMALE PIPE ADAPTER .562-18UNF-2A MALE TO .125-27 NPTF A; Part Name Assigned by Controlling Agency: SEAL TEST FIXTURE; End Item Identification: ADCAP PROGRAM. 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.