The Tube,valve, cataloged under National Stock Number 1020-00-334-0841, is classified within Federal Supply Class 1020 (Guns, Over 125mm Through 150mm) of the Weapons group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1020-00-334-0841 |
| Primary Part Number | 146371PC31 |
| Item Name | Tube,valve |
| FSC / FSG | 1020 / 10 — Guns, Over 125mm Through 150mm |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL;2.488 IN. LG; 0.281 IN. DIA SHAFT 2.420 IN. LG; 0.250 IN. DIA GROOVE 27.960 IN. W; 0.470 IN. DIA HEAD 0.320 IN. W; 60 DEG OPENINGS EACH END; 3 SLOTS LOCATED 2 ONE SIDE; ONE ON OTHER SIDE; SLOTS ARE 0.500 IN. O/A LG; 0.0125 IN. O/A W IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 146371PC31 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 146371 | D/9 Drawing number reference only Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 1020-00-334-0841 is a Tube,valve, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1020, Guns, Over 125mm Through 150mm. Status: active.
NSN 1020-00-334-0841 has 1 manufacturer part number on file: 146371PC31 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
2 possible matches (shared part number, not a government interchangeability claim): 6150-01-236-6328, 5945-01-248-0795. Verify interchangeability with system specifications before substitution.
Key specifications for 146371PC31: General Characteristics Item Description: STEEL;2.488 IN. LG; 0.281 IN. DIA SHAFT 2.420 IN. LG; 0.250 IN. DIA GROOVE 27.960 IN. W; 0.470 IN. DIA HEAD 0.320 IN. W; 60 DEG OPENINGS EACH END; 3 SLOTS LOCATED 2 ONE SIDE; ONE ON OTHER SIDE; SLOTS ARE 0.500 IN. O/A LG; 0.0125 IN. O/A W IN. 1 specification is 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.
NSN 1020-00-334-0841 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.