The Seat,valve, cataloged under National Stock Number 4820-01-436-0728, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Jarecki Industries Ltd. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-436-0728 |
| Primary Part Number | SR0125BG-N1T0 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Jarecki Industries Ltd |
| Status | ACTIVE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Seating Surface Shape | ANGULAR |
| 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 |
|---|---|
| SR0125BG-N1T0 PRIMARY | Jarecki Industries Ltd (USA) |
| A13Z3L02 PC 4 | Jarecki Industries Ltd (USA) |
| Reference | Meaning |
|---|---|
| A13Z3L02 | D/9 Drawing number reference only Jarecki Industries Ltd |
NSN 4820-01-436-0728 is a Seat,valve, manufactured by Jarecki Industries Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-436-0728 has 2 manufacturer part numbers on file: SR0125BG-N1T0 (Jarecki Industries Ltd), A13Z3L02 PC 4 (Jarecki Industries Ltd).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-436-0730, 4730-01-436-0734, 4820-01-436-0782. Verify interchangeability with system specifications before substitution.
Key specifications for SR0125BG-N1T0: Special Features: J13Z3L02 1.250 IN. BALL VALVE IN; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Seating Surface Shape: ANGULAR. 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.