The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-421-3886, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 22 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-421-3886 |
| Primary Part Number | 534879 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Fwd Seagrave Holdings Lp |
| Status | ACTIVE |
| Measuring Method and Length | 25.000 INCHES NOMINAL EXCLUDING END FITTINGS IN |
| Temp Rating | -65.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | INVERTED FLARE SECOND END |
| Connection Style | INVERTED FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Layer Composition and Location | 2ND LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND 1ST LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE |
| Connection Type | INTERNALLY AND EXTERNALLY THREADED TUBE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.656 INCHES FIRST END IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.562 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.500 INCHES AND 0.688 INCHES SECOND END IN |
| Seat Angle | 42.0 DEGREES SECOND END |
| Inside Diameter | 0.188 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Thread Class | 3B AND 2A SECOND END A |
| Burst Test Pressure | 4500.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 18 SECOND END |
| Outer Covering Environmental Protection | COLD RESISTANT AND OIL RESISTANT AND CORROSION RESISTANT AND WATERPROOF |
| Thread Series Designator | UNF AND UNS 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 |
|---|---|
| 534879 PRIMARY | Fwd Seagrave Holdings Lp (USA) |
NSN 4720-00-421-3886 is a Hose Assembly,nonmetallic, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-421-3886 has 1 manufacturer part number on file: 534879 (Fwd Seagrave Holdings Lp).
Key specifications for 534879: Measuring Method and Length: 25.000 INCHES NOMINAL EXCLUDING END FITTINGS IN; Temp Rating: -65.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Style: INVERTED FLARE SECOND END; Connection Style: INVERTED FLARE FIRST END. 22 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.