The Crystal Connector a, cataloged under National Stock Number 1290-01-079-0181, is classified within Federal Supply Class 1290 (Miscellaneous Fire Control Equipment) of the Fire Control Equipment group. The manufacturer of record is Naval Sea Systems Command. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Crystal Connector a |
| FSC / FSG | 1290 — Miscellaneous Fire Control Equipment (FSG 12) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Lockheed Martin Corporation Div Rms (CAGE 02769) |
| Parameter | Value |
|---|---|
| NSN | 1290-01-079-0181 |
| Primary Part Number | 5196629-1 |
| Item Name | Crystal Connector a |
| FSC / FSG | 1290 / 12 — Miscellaneous Fire Control Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 5196629-1 PRIMARY | Naval Sea Systems Command (USA) |
| PL 5196629-1 | Naval Sea Systems Command (USA) |
| PL 1386798-1 | Lockheed Martin Corporation Div Rms (USA) |
| 1386798-1 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1386798-1 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| PL 1386798-1 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 1290-01-079-0181 is a Crystal Connector a, manufactured by Naval Sea Systems Command, classified under FSC 1290, Miscellaneous Fire Control Equipment. Status: active.
NSN 1290-01-079-0181 has 4 manufacturer part numbers on file: 5196629-1 (Naval Sea Systems Command), PL 5196629-1 (Naval Sea Systems Command), PL 1386798-1 (Lockheed Martin Corporation Div Rms), 1386798-1 (Lockheed Martin Corporation Div Rms).
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 1290-01-079-0181 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.