The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-332-7662, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-332-7662 |
| Primary Part Number | 500-5182752 ITEM 244 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Measuring Method and Length | 300.000 INCHES NOMINAL OVERALL IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND 2ND LAYER HELIX STEEL COIL AND 3RD LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.875 INCHES NOMINAL IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| End Fitting Component and Material | COMPLETE FITTING COPPER ALLOY ALL ENDS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Specification/standard Data | 81349-MIL-H-370 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 2 TYPE AND 3 CLASS |
| Inside Diameter | 1.250 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Burst Test Pressure | 500.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | NPSH 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 |
|---|---|
| 500-5182752 ITEM 244 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 500-5182752 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4720-01-332-7662 is a Hose Assembly,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-332-7662 has 1 manufacturer part number on file: 500-5182752 ITEM 244 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-332-7663, 4720-01-333-1431, 4720-01-333-1432. Verify interchangeability with system specifications before substitution.
Key specifications for 500-5182752 ITEM 244: Measuring Method and Length: 300.000 INCHES NOMINAL OVERALL IN; Connection Style: SWIVEL NUT FLARE FIRST END; End Connection Design: STRAIGHT FIRST END; Layer Composition and Location: 1ST LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND 2ND LAYER HELIX STEEL COIL AND 3RD LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND OUTER LAYER MOLDED RUBBER, SYNTHETIC. 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.