The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-320-4564, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Gammon Technical Products Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-320-4564 |
| Primary Part Number | GG3725-2.5-12-MM |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Gammon Technical Products Inc |
| Status | ACTIVE |
| Measuring Method and Length | 144.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -37.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | PLAIN FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 2.5000 INCHES FIRST END IN |
| Seat Angle | 45.0 DEGREES FIRST END |
| Nondefinitive Spec/std Data | C TYPE AND 3 GRADE |
| Inside Diameter | 2.500 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Burst Test Pressure | 1800.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | ABRASION RESISTANT AND WEATHERPROOF AND OZONE RESISTANT |
| Thread Series Designator | NPT 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 |
|---|---|
| GG3725-2.5-12-MM PRIMARY | Gammon Technical Products Inc (USA) |
| Reference | Meaning |
|---|---|
| API 1529 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-01-320-4564 is a Hose Assembly,nonmetallic, manufactured by Gammon Technical Products Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-320-4564 has 1 manufacturer part number on file: GG3725-2.5-12-MM (Gammon Technical Products Inc).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-320-4565. Verify interchangeability with system specifications before substitution.
Key specifications for GG3725-2.5-12-MM: Measuring Method and Length: 144.000 INCHES NOMINAL OVERALL IN; Temp Rating: -37.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Style: PLAIN FIRST END; End Connection Design: STRAIGHT FIRST END. 18 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.