The Nut,seat,valve, cataloged under National Stock Number 5310-01-057-7301, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Tyco Fire Products Lp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-057-7301 |
| Primary Part Number | 20-03074 |
| Item Name | Nut,seat,valve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Tyco Fire Products Lp |
| Status | ACTIVE |
| General Characteristics Item Description | PHOSPHATE BRONZE; 3000 OR 5000 PS; ONE END EXTERNALLY THD 1.125-16,UN,2A,RH,0.375 IN.THD LG; 0.933 IN.BODY DIA; 0.185 IN.W.BY 0.085 IN.DEEP CIRCULAR GROOVE,0.095 IN.FROM BODY END; 0.125 IN.W DRIVE SLOT ON THD END; 0.500 IN.BORE DIA; 1.217 IN.O/A H A |
| 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 |
|---|---|
| V3074 | Portland Valve Llc (USA) |
| V7690PC2 | Tyco Fire Products Lp (USA) |
| 20-03074 PRIMARY | Tyco Fire Products Lp (USA) |
| Reference | Meaning |
|---|---|
| V7690 | D/9 Drawing number reference only Tyco Fire Products Lp |
| V-3074 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-057-7301 is a Nut,seat,valve, manufactured by Tyco Fire Products Lp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-057-7301 has 3 manufacturer part numbers on file: V3074 (Portland Valve Llc), V7690PC2 (Tyco Fire Products Lp), 20-03074 (Tyco Fire Products Lp).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-058-0844, 5310-01-143-1676. Verify interchangeability with system specifications before substitution.
Key specifications for 20-03074: General Characteristics Item Description: PHOSPHATE BRONZE; 3000 OR 5000 PS; ONE END EXTERNALLY THD 1.125-16,UN,2A,RH,0.375 IN.THD LG; 0.933 IN.BODY DIA; 0.185 IN.W.BY 0.085 IN.DEEP CIRCULAR GROOVE,0.095 IN.FROM BODY END; 0.125 IN.W DRIVE SLOT ON THD END; 0.500 IN.BORE DIA; 1.217 IN.O/A H A; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 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.
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.