The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-312-8993, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-312-8993 |
| Primary Part Number | 8606-629-37 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Measuring Method and Length | 19.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -50.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 0.750 INCHES IN |
| Connection Style | INVERTED FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED FIBER AND 2ND LAYER RUBBER IMPREGNATED BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED POLYAMIDE CORD |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.490 INCHES NOMINAL IN |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Seat Angle | 30.0 DEGREES FIRST END |
| Inside Diameter | 0.188 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON AND BRAKE FLUID, NONMINERAL OIL SINGLE RESPONSE |
| Hydrostatic Test Pressure | 3000.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 6000.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | OIL RESISTANT AND ABRASION RESISTANT |
| Thread Series Designator | NPTF 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 |
|---|---|
| 8606-629-37 | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 2130101-4-4-4-19.00 | 5/9 Secondary reference U.S. Government activity |
| 213R4-PMN4-19 | 5/9 Secondary reference U.S. Government activity |
| 8606-629 | 5/9 Secondary reference Wilson Machine Co Inc |
| 2130101-4-4-4-19.00 | 3/2 Design control — primary reference U.S. Government activity |
| 8606-629 | D/9 Drawing number reference only Entwistle Co the Defense Technology Div |
| 8606-629-37 | 5/9 Secondary reference Entwistle Co the Defense Technology Div |
NSN 4720-01-312-8993 is a Hose Assembly,nonmetallic, manufactured by The Entwistle Company Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-312-8993 has 1 manufacturer part number on file: 8606-629-37 (The Entwistle Company Llc).
Key specifications for 8606-629-37: Measuring Method and Length: 19.000 INCHES NOMINAL OVERALL IN; Temp Rating: -50.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 0.750 INCHES IN; Connection Style: INVERTED FLARE 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.