The Coupling,tube, cataloged under National Stock Number 4730-01-452-1174, 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 The Entwistle Company Llc. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4730-01-452-1174 |
| Primary Part Number | EJ51117B ITEM 22 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| EJ31173 | The Entwistle Company Llc (USA) |
| EJ51117B ITEM 22 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| EJ51117 | D/9 Drawing number reference only The Entwistle Company Llc |
NSN 4730-01-452-1174 is a Coupling,tube, manufactured by The Entwistle Company Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-452-1174 has 2 manufacturer part numbers on file: EJ31173 (The Entwistle Company Llc), EJ51117B ITEM 22 (The Entwistle Company Llc).
Key specifications for EJ51117B ITEM 22: Special Features: NEXT ASSEMBLY SLIDING PADEY; End Item Identification: ARLEIGH BURKE CLASS FFG. 0 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.