The Valve,fill and Vent, cataloged under National Stock Number 4820-01-178-2675, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydro-Fitting Manufacturing Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-178-2675 |
| Primary Part Number | HF1004-2 |
| Item Name | Valve,fill and Vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hydro-Fitting Manufacturing Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | CRES TYPE 347 PER QQ-S-763,ETHYLENE PROPYLENE O-RINGS AND SEALS; 1.865 IN. LG,0.750 IN. HEX DIA; FITTING END 0.500-20 UNF-3A THREAD,CAP OTHER END SIMILAR TO MS20813-1; PRESSURE RANGE -15 TO 400 PSIG; TEMP RANGE -40 TO 160 DEGREES F 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 |
|---|---|
| HF1004-2 PRIMARY | Hydro-Fitting Manufacturing Corporation (USA) |
| Reference | Meaning |
|---|---|
| C10134-2 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4820-01-178-2675 is a Valve,fill and Vent, manufactured by Hydro-Fitting Manufacturing Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-178-2675 has 1 manufacturer part number on file: HF1004-2 (Hydro-Fitting Manufacturing Corporation).
Key specifications for HF1004-2: General Characteristics Item Description: CRES TYPE 347 PER QQ-S-763,ETHYLENE PROPYLENE O-RINGS AND SEALS; 1.865 IN. LG,0.750 IN. HEX DIA; FITTING END 0.500-20 UNF-3A THREAD,CAP OTHER END SIMILAR TO MS20813-1; PRESSURE RANGE -15 TO 400 PSIG; TEMP RANGE -40 TO 160 DEGREES F A; End Item Identification: F-16. 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.