The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-342-6773, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Blue Tee Corp. Dba Gefco. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-342-6773 |
| Primary Part Number | 10538-30 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Blue Tee Corp. Dba Gefco |
| Status | ACTIVE |
| Measuring Method and Length | 30.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 9.500 INCHES IN |
| Connection Style | PLAIN FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER MOLDED RUBBER, SYNTHETIC AND 3RD LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.156 INCHES NOMINAL IN |
| Operating Pressure | 2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| End Fitting Component and Material | COMPLETE FITTING STEEL ALL ENDS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Specification/standard Data | SAE J517,100R2,TYPE AT-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 |
| Burst Test Pressure | 9000.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | ABRASION RESISTANT AND OIL RESISTANT AND WEATHERPROOF |
| 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 |
|---|---|
| 10538-30 | Blue Tee Corp. Dba Gefco (USA) |
| Reference | Meaning |
|---|---|
| F3010101-12-12-12-30.00 | 5/9 Secondary reference U.S. Government activity |
| 10538 | D/9 Drawing number reference only Blue Tee Corp. Dba Gefco |
| F3010101-12-12-12-30.00 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-342-6773 is a Hose Assembly,nonmetallic, manufactured by Blue Tee Corp. Dba Gefco, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-342-6773 has 1 manufacturer part number on file: 10538-30 (Blue Tee Corp. Dba Gefco).
Key specifications for 10538-30: Measuring Method and Length: 30.000 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 9.500 INCHES IN; Connection Style: PLAIN FIRST END. 21 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.