The Indicator,valve Opening, cataloged under National Stock Number 4820-01-543-8399, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hammonds Technical Services, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4820-01-543-8399 |
| Primary Part Number | 102285 |
| Item Name | Indicator,valve Opening |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hammonds Technical Services, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 102285 PRIMARY | Hammonds Technical Services, Inc. (USA) |
NSN 4820-01-543-8399 is a Indicator,valve Opening, manufactured by Hammonds Technical Services, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-543-8399 has 1 manufacturer part number on file: 102285 (Hammonds Technical Services, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 7530-01-611-6008. Verify interchangeability with system specifications before substitution.
Key specifications for 102285: Special Features: QUANTITY OF 6; Part Name Assigned by Controlling Agency: VALVE POINTER; End Item Identification: 4930-01-517-7009; FUEL SYSTEM, SUPPLY POINT. 0 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.