The Valve,tcv, cataloged under National Stock Number 4820-01-615-9997, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bird-Johnson Propeller Company, Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-615-9997 |
| Primary Part Number | NMM210202 |
| Item Name | Valve,tcv |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bird-Johnson Propeller Company, Llc |
| 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 |
|---|---|
| NM100176 REV B ITEM 6 | Bird-Johnson Propeller Company, Llc (USA) |
| NMM210202 PRIMARY | Bird-Johnson Propeller Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| NMM200202-1 | 3/9 Design control — primary reference Bird-Johnson Propeller Company, Llc |
NSN 4820-01-615-9997 is a Valve,tcv, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-615-9997 has 2 manufacturer part numbers on file: NM100176 REV B ITEM 6 (Bird-Johnson Propeller Company, Llc), NMM210202 (Bird-Johnson Propeller Company, Llc).
Key specifications for NMM210202: End Item Identification: GTE LUBO SYSTEM. 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.