The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-495-0312, 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 Tuthill Corp Hansen Coupling Div. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-495-0312 |
| Primary Part Number | LL4-HP-26 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tuthill Corp Hansen Coupling Div |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 CAP AND 1 CLAMP AND 1 CHAIN AND 2 PREFORMED PACKING AND 1 SLEEVE |
| Style Designator | MALE COUPLING HALF |
| 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 |
|---|---|
| LL4-HP-26 PRIMARY | Tuthill Corp Hansen Coupling Div (USA) |
NSN 4730-01-495-0312 is a Coupling Half,quick Disconnect, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-495-0312 has 1 manufacturer part number on file: LL4-HP-26 (Tuthill Corp Hansen Coupling Div).
Key specifications for LL4-HP-26: Furnished Items and Quantity: 1 CAP AND 1 CLAMP AND 1 CHAIN AND 2 PREFORMED PACKING AND 1 SLEEVE; Style Designator: MALE COUPLING HALF; Overall Length: 2.960 INCHES NOMINAL IN; Special Features: THE PLUG, MALE THAT FITS THIS SOCKET IS NIIN 4730-014950146; FIRST END HEX ACROSS THE FLATS MEASUREMENT IS 1.13 INCHES; MAX DIA IS 1.86 INCHES; ITEM ALSO CONTAINS STAINLESS STEEL SPRING, BALLS AND RETAINING RINGS, POLYTETRAFLUOROETHYLENEBACK-UP RING WITH SINGLE O-RING AND BUNA-N SEALS; LOCKING BALLS A RE THE LOCKING DEVICE IN. 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.