The Seat,valve, cataloged under National Stock Number 4820-01-382-8683, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pima Valve, Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-382-8683 |
| Primary Part Number | B13551AHH325-0800-6 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pima Valve, Llc |
| Status | ACTIVE |
| Material | NICKEL ALLOY 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 |
|---|---|
| B13551AHH325-0800-6 PRIMARY | Pima Valve, Llc (USA) |
| B13551AHH325-8-6 PRIMARY | Pima Valve, Llc (USA) |
| Reference | Meaning |
|---|---|
| 803-1385541-08X | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| N-NB13551-HH325 ITEM 6 8IN | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
| N-NB13551-HH325 | D/9 Drawing number reference only Pima Valve, Llc |
| N-NB13551-HH325 ITEM 6 8IN | 5/9 Secondary reference Pima Valve, Llc |
NSN 4820-01-382-8683 is a Seat,valve, manufactured by Pima Valve, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-382-8683 has 2 manufacturer part numbers on file: B13551AHH325-0800-6 (Pima Valve, Llc), B13551AHH325-8-6 (Pima Valve, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 4810-01-385-9155, 4810-01-435-1019, 4810-01-435-3013. Verify interchangeability with system specifications before substitution.
Key specifications for B13551AHH325-0800-6: Material: NICKEL ALLOY OVERALL. 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.