The Locknut,tube Fitting, cataloged under National Stock Number 4730-01-117-6264, 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 Dresser, Llc. Government technical data includes 12 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 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 | 4730-01-117-6264 |
| Primary Part Number | 176461 |
| Item Name | Locknut,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Packing Recess Diameter | 0.418 INCHES NOMINAL IN |
| Thread Series | UNEF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.562 INCHES IN |
| Nut Height | 0.472 INCHES NOMINAL IN |
| Nut Style | TUBE FITTING LOCKNUT |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Nominal Tube Outside Diameter | 0.375 INCHES IN |
| Packing Recess Depth | 0.032 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4730-01-117-6264 is a Locknut,tube Fitting, manufactured by Dresser, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-117-6264 has 2 manufacturer part numbers on file: 176461 (Dresser, Llc), 4911874-8 (Kalmar AC Inc).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-625-9670. Verify interchangeability with system specifications before substitution.
Key specifications for 176461: Width Across Flats: 0.625 INCHES NOMINAL IN; Packing Recess Diameter: 0.418 INCHES NOMINAL IN; Thread Series: UNEF; Thread Direction: RIGHT-HAND. 12 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.