The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-312-1877, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hydrasearch Company, Llc. Government technical data includes 28 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-312-1877 |
| Primary Part Number | FK4444PRP0322AA |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Measuring Method and Length | 32.250 INCHES NOMINAL OVERALL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Thickness | 0.440 INCHES NOMINAL FIRST END IN |
| Minimum Inside Bending Radius | 13.250 INCHES IN |
| Connection Style | RAISED FIRST END |
| Flange Outside Diameter | 5.060 INCHES NOMINAL FIRST END IN |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED TEXTILE YARN AND 2ND LAYER BRAIDED STEEL WIRE AND 3RD LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | RAISED FACE FLANGE FIRST END |
| Bolt Hole Diameter | 0.560 INCHES NOMINAL FIRST END IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.220 INCHES NOMINAL IN |
| Operating Pressure | 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | REUSABLE END FITTINGS |
| End Fitting Component and Material | FLANGE COPPER ALLOY ALL ENDS |
| End Fitting Component and Material | NIPPLE COPPER ALLOY FIRST END |
| End Fitting Component and Material | SOCKET COPPER ALLOY SECOND END |
| Inside Diameter | 1.810 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Bolt Hole Quantity | 6 FIRST END |
| Bolt Circle Diameter | 3.940 INCHES NOMINAL FIRST END IN |
| Raised Face Diameter | 2.740 INCHES NOMINAL FIRST END IN |
| Raised Face Height | 0.015 INCHES NOMINAL FIRST END IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON AND WATER, FRESH AND WATER, SALT AND AIR AND BUTANE AND NITROGEN, GASEOUS SINGLE RESPONSE |
| Hydrostatic Test Pressure | 700.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 1400.0 POUNDS PER SQUARE INCH LBS |
| Flange Style | ROUND W / BOLT HOLES FIRST END |
| End Flange Construction | SOLID 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 |
|---|---|
| FK4444PRP0322AA PRIMARY | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| FK4444PRP0322AA | 5/9 Secondary reference Danfoss Power Solutions II, Llc |
| 195013 1 1/2X32 1/4IN | 5/9 Secondary reference Danfoss Power Solutions II, Llc |
| FG1096PRP0322 | 5/9 Secondary reference Danfoss Power Solutions II, Llc |
NSN 4720-01-312-1877 is a Hose Assembly,nonmetallic, manufactured by Hydrasearch Company, Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-312-1877 has 1 manufacturer part number on file: FK4444PRP0322AA (Hydrasearch Company, Llc).
Key specifications for FK4444PRP0322AA: Measuring Method and Length: 32.250 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flange Thickness: 0.440 INCHES NOMINAL FIRST END IN; Minimum Inside Bending Radius: 13.250 INCHES IN. 28 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.