The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-01-312-5709, 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 Parker-Hannifin Corp Div Parflex Division. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-312-5709 |
| Primary Part Number | 10691-6-6C |
| Item Name | Adapter,straight,tube to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corp Div Parflex Division |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Connection Style | PLAIN (HOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Overall Length | 1.080 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 2B FIRST END |
| Material | STEEL COMP 304 SOCKET |
| Material | STEEL COMP 303 NUT |
| Material | STEEL COMP 303 NIPPLE |
| Thread Series Designator | UNF FIRST 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 |
|---|---|
| 10691-6-6C PRIMARY | Parker-Hannifin Corp Div Parflex Division (USA) |
| Reference | Meaning |
|---|---|
| 10691-6-6C | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-312-5709 is a Adapter,straight,tube to Hose, manufactured by Parker-Hannifin Corp Div Parflex Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-312-5709 has 1 manufacturer part number on file: 10691-6-6C (Parker-Hannifin Corp Div Parflex Division).
Key specifications for 10691-6-6C: Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END; Connection Style: PLAIN (HOSE) SECOND END; Nominal Inside Diameter Hose Accommodated: 0.375 INCHES SECOND END IN; Nominal Overall Length: 1.080 INCHES IN. 14 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.