The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-400-3144, 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. Government technical data includes 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-400-3144 |
| Primary Part Number | 8909A468-001 |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 FLAT WASHER AND 1 JAM NUT AND 1 PREFORMED PACKING |
| Flow Angle | 90.0 DEGREES |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) INLET |
| Inlet Location | LOW HEEL SINGLE INLET |
| Connection Type | THREADED INTERNAL PIPE INLET |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Leg Length | 1.060 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.160 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.563 INCHES FIRST END IN |
| Nominal Thread Size | 0.125 INCHES INLET IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 3A ALL ENDS A |
| Thread Series Designator | UNF FIRST END |
| Thread Series Designator | NPTF INLET |
| Thread Series Designator | UNF SECOND END |
| 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 |
|---|---|
| 6801-6-4-OE-2 | Tompkins Industries Inc (USA) |
| 8909A468-001 PRIMARY | The Entwistle Company Llc (USA) |
NSN 4730-01-400-3144 is a Elbow,tube to Boss, manufactured by The Entwistle Company Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-400-3144 has 2 manufacturer part numbers on file: 6801-6-4-OE-2 (Tompkins Industries Inc), 8909A468-001 (The Entwistle Company Llc).
Key specifications for 8909A468-001: Furnished Items and Quantity: 1 FLAT WASHER AND 1 JAM NUT AND 1 PREFORMED PACKING; Flow Angle: 90.0 DEGREES; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: FLARED (TUBE) FIRST END. 20 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.