The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-055-4032, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-055-4032 |
| Primary Part Number | 74860451 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Measuring Method and Length | 77.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Fitting Component and Surface Treatment | COMPLETE FITTING CADMIUM AND COMPLETE FITTING ZINC FIRST END |
| Minimum Inside Bending Radius | 9.500 INCHES IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER BRAIDED STEEL WIRE AND 3RD LAYER BRAIDED COTTON CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Operating Pressure | 2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | ELECTROSTATIC DISCHARGE CAPABILITY |
| End Fitting Component and Material | COMPLETE FITTING STEEL ALL ENDS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.062 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Specification/standard Data | SAE J517,100R2,TYPE A-81343 NATIONAL STD/SPEC |
| Inside Diameter | 0.750 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Hydrostatic Test Pressure | 4500.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2B FIRST END |
| Burst Test Pressure | 9000.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 12 FIRST END |
| Outer Covering Environmental Protection | ABRASION RESISTANT AND WATERPROOF |
| 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 |
|---|---|
| 74860451 PRIMARY | Kalmar AC Inc (USA) |
| 4860451-6 | Kalmar AC Inc (USA) |
| 4860451 | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 12C-12FJS77 | 5/9 Secondary reference Goodyear Tire and Rubber Co the |
| 12C-12FJS77 | 5/9 Secondary reference Contitech Usa, Inc Dba Veyance Technologies |
| 12C-12FJS77 | 5/9 Secondary reference Anchor Swan Corp Sub of Amerace Corp |
| 12C-12FJS77 | 5/9 Secondary reference Contitech Usa, Inc. |
| 4826242 | D/9 Drawing number reference only Kalmar AC Inc |
NSN 4720-01-055-4032 is a Hose Assembly,nonmetallic, manufactured by Kalmar AC Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-055-4032 has 3 manufacturer part numbers on file: 74860451 (Kalmar AC Inc), 4860451-6 (Kalmar AC Inc), 4860451 (Kalmar AC Inc).
Key specifications for 74860451: Measuring Method and Length: 77.000 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Fitting Component and Surface Treatment: COMPLETE FITTING CADMIUM AND COMPLETE FITTING ZINC FIRST END; Minimum Inside Bending Radius: 9.500 INCHES IN. 26 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.