The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-280-0996, 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. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Tuthill Corp Hansen Coupling Div (CAGE 73992); Guyson International Ltd (hose & Couplings Division) (CAGE K5718) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-280-0996 |
| Primary Part Number | LL3H21-BS |
| 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 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| LL3H21-BS PRIMARY | Tuthill Corp Hansen Coupling Div (USA) |
| LL3H21-BS-PTFE | Guyson International Ltd (hose & Couplings Division) (GBR) |
| LL3H21-BS | Guyson International Ltd (hose & Couplings Division) (GBR) |
| Reference | Meaning |
|---|---|
| LL3H21-BS-PTFE | 5/9 Secondary reference Ge Power Controls Ltd |
NSN 4730-01-280-0996 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 4730-01-280-0996 has 3 manufacturer part numbers on file: LL3H21-BS (Tuthill Corp Hansen Coupling Div), LL3H21-BS-PTFE (Guyson International Ltd (hose & Couplings Division)), LL3H21-BS (Guyson International Ltd (hose & Couplings Division)).
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.