The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-421-8137, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Gates Corporation. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-421-8137 |
| Primary Part Number | 4M2T-6FFORX-6FFORX-41 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Gates Corporation |
| Status | ACTIVE |
| Measuring Method and Length | 41.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -50.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 2.000 INCHES IN |
| Connection Style | SWIVEL NUT, GASKET SEAL FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED STEEL WIRE AND OUTER LAYER WOVEN POLYAMIDE CORD |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.530 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.687 INCHES FIRST END IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON AND WATER AND AIR SINGLE RESPONSE |
| Hydrostatic Test Pressure | 6000.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2B FIRST END |
| Burst Test Pressure | 12000.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 16 FIRST END |
| Outer Covering Environmental Protection | ABRASION RESISTANT |
| Thread Series Designator | UN 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 |
|---|---|
| 4M2T-6FFORX-6FFORX-41 PRIMARY | Gates Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4856 | 7/9 Vendor item drawing reference Eaton Aviation Corporation |
| 4856-9 | 5/9 Secondary reference Eaton Aviation Corporation |
| 4856 | C/1 Advisory reference — outside the item-of-supply concept Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| F451ARJCJC-6-6-4-41 | 5/9 Secondary reference U.S. Government activity |
| F451ARJCJC-6-6-4-41 | 3/2 Design control — primary reference U.S. Government activity |
| 4856-9 | C/1 Advisory reference — outside the item-of-supply concept Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
NSN 4720-01-421-8137 is a Hose Assembly,nonmetallic, manufactured by Gates Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-421-8137 has 1 manufacturer part number on file: 4M2T-6FFORX-6FFORX-41 (Gates Corporation).
Key specifications for 4M2T-6FFORX-6FFORX-41: Measuring Method and Length: 41.000 INCHES NOMINAL OVERALL IN; Temp Rating: -50.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 2.000 INCHES IN; Connection Style: SWIVEL NUT, GASKET SEAL 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.