The Seat,valve, cataloged under National Stock Number 4820-01-453-6313, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Co Div Valve Div. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-453-6313 |
| Primary Part Number | 32857-3.00IN PC 6 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Crane Co Div Valve Div |
| Status | ACTIVE |
| Material Document and Classification | MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 32857PC6*030 | Crane Co Div Valve Div (USA) |
| 32857-3.00IN PC 6 PRIMARY | Crane Co Div Valve Div (USA) |
| 32857PC6 | Crane Co Div Valve Div (USA) |
| Reference | Meaning |
|---|---|
| 32857 | D/9 Drawing number reference only Crane Co Div Valve Div |
| 32857-3.00IN PC 6 | 5/9 Secondary reference Crane Nuclear Inc |
NSN 4820-01-453-6313 is a Seat,valve, manufactured by Crane Co Div Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-453-6313 has 3 manufacturer part numbers on file: 32857PC6*030 (Crane Co Div Valve Div), 32857-3.00IN PC 6 (Crane Co Div Valve Div), 32857PC6 (Crane Co Div Valve Div).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-543-7869. Verify interchangeability with system specifications before substitution.
Key specifications for 32857-3.00IN PC 6: Material Document and Classification: MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; End Item Identification: NIMITZ CLASS CVN; Material: STEEL OVERALL. 2 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.