The Nrp,power Supply Lr, cataloged under National Stock Number 1680-01-646-0637, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Triman Industries Inc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Nrp,power Supply Lr |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Triman Industries Inc (CAGE 0ZBE8); Espey Mfg and Electronics Corp (CAGE 20950); Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (CAGE 70974); Lockheed Martin Corporation Div Rms (CAGE 03538) |
| Parameter | Value |
|---|---|
| NSN | 1680-01-646-0637 |
| Primary Part Number | LM-3R322-PS *APPRV DIST* |
| Item Name | Nrp,power Supply Lr |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Triman Industries Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| LM-3R322-PS *APPRV DIST* PRIMARY | Triman Industries Inc (USA) |
| LM-3R322-PS PRIMARY | Espey Mfg and Electronics Corp (USA) |
| 77A566796P3 PRIMARY | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (USA) |
| 77A566796P3 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
NSN 1680-01-646-0637 is a Nrp,power Supply Lr, manufactured by Triman Industries Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-646-0637 has 4 manufacturer part numbers on file: LM-3R322-PS *APPRV DIST* (Triman Industries Inc), LM-3R322-PS (Espey Mfg and Electronics Corp), 77A566796P3 (Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems), 77A566796P3 (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 1680-01-646-0637 has DEMIL Code Q. 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.