The Chuck,air,inflating, cataloged under National Stock Number 4730-01-175-7117, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hydro-Fitting Manufacturing Corporation. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-175-7117 |
| Primary Part Number | HF300-.3125 |
| Item Name | Chuck,air,inflating |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydro-Fitting Manufacturing Corporation |
| Status | ACTIVE |
| Design Type | SINGLE FOOT |
| Shank Type | THREADED |
| Holding Clip | NOT INCLUDED |
| Thread Location | EXTERNAL |
| Screw Thread Diameter | 0.438 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNF |
| Special Deflator | NOT INCLUDED |
| 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 |
|---|---|
| HF300-.3125 PRIMARY | Hydro-Fitting Manufacturing Corporation (USA) |
| Reference | Meaning |
|---|---|
| C10068 | 7/1 Vendor item drawing reference U.S. Government activity |
| C10068-3 | 5/2 Secondary reference U.S. Government activity |
| HF300-.3125C | 5/9 Secondary reference Hydro-Fitting Manufacturing Corporation |
NSN 4730-01-175-7117 is a Chuck,air,inflating, manufactured by Hydro-Fitting Manufacturing Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-175-7117 has 1 manufacturer part number on file: HF300-.3125 (Hydro-Fitting Manufacturing Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-304-3543. Verify interchangeability with system specifications before substitution.
Key specifications for HF300-.3125: Design Type: SINGLE FOOT; Shank Type: THREADED; Holding Clip: NOT INCLUDED; Thread Location: EXTERNAL. 7 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.