The Tee Piece, cataloged under National Stock Number 1377-01-357-9143, is classified within Federal Supply Class 1377 (Cartridge and Propellant Actuated Devices and Components) of the Ammunition and Explosives group. The manufacturer of record is Pacific Scientific Energetic Materials Company (california Llc). The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Tee Piece |
| FSC / FSG | 1377 — Cartridge and Propellant Actuated Devices and Components (FSG 13) |
| Manufacturers | Pacific Scientific Energetic Materials Company (california Llc) (CAGE 06331) |
| Parameter | Value |
|---|---|
| NSN | 1377-01-357-9143 |
| Primary Part Number | 51820-1 |
| Item Name | Tee Piece |
| FSC / FSG | 1377 / 13 — Cartridge and Propellant Actuated Devices and Components |
| Manufacturer | Pacific Scientific Energetic Materials Company (california Llc) |
| 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 |
|---|---|
| 51820-1 PRIMARY | Pacific Scientific Energetic Materials Company (california Llc) (USA) |
NSN 1377-01-357-9143 is a Tee Piece, manufactured by Pacific Scientific Energetic Materials Company (california Llc), classified under FSC 1377, Cartridge and Propellant Actuated Devices and Components. Status: active.
NSN 1377-01-357-9143 has 1 manufacturer part number on file: 51820-1 (Pacific Scientific Energetic Materials Company (california Llc)).
2 possible matches (shared part number, not a government interchangeability claim): 7025-01-432-9028, 6530-01-616-5727. Verify interchangeability with system specifications before substitution.
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 1377-01-357-9143 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.