The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-040-8772, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Cepeda Associates, Inc. Dba Cepeda Associates Inc. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-040-8772 |
| Primary Part Number | 1031-D301-H-13 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Cepeda Associates, Inc. Dba Cepeda Associates Inc |
| Status | ACTIVE |
| Measuring Method and Length | 15.000 INCHES NOMINAL OVERALL IN |
| Temp Rating | -29.0 CELSIUS AND 121.0 CELSIUS SINGLE RESPONSE DEGC |
| Minimum Inside Bending Radius | 4.625 INCHES IN |
| Connection Style | FLARELESS FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.770 INCHES NOMINAL IN |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | PERFORATED OUTER COVER AND REUSABLE END FITTINGS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Inside Diameter | 0.406 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | REFRIGERANT 12 AND REFRIGERANT 13 SINGLE RESPONSE |
| Hydrostatic Test Pressure | 1000.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A FIRST END A |
| Burst Test Pressure | 2000.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | UNF 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 |
|---|---|
| 1031-D301-H-13 PRIMARY | Cepeda Associates, Inc. Dba Cepeda Associates Inc (USA) |
| 2137-3D101H13 | Vitok Engineers Inc (USA) |
| Reference | Meaning |
|---|---|
| 2311111C-8-8-15.00 | 5/9 Secondary reference U.S. Government activity |
| 2580111C-8-8-8-15IN. | 5/9 Secondary reference Cepeda Associates, Inc. Dba Cepeda Associates Inc |
| 2311111C-8-8-15 | 5/9 Secondary reference U.S. Government activity |
| 2580111C-8-8-8-15IN. | 5/9 Secondary reference U.S. Government activity |
| 1031-D237 H13 | C/1 Advisory reference — outside the item-of-supply concept Cepeda Associates, Inc. Dba Cepeda Associates Inc |
NSN 4720-01-040-8772 is a Hose Assembly,nonmetallic, manufactured by Cepeda Associates, Inc. Dba Cepeda Associates Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-040-8772 has 2 manufacturer part numbers on file: 1031-D301-H-13 (Cepeda Associates, Inc. Dba Cepeda Associates Inc), 2137-3D101H13 (Vitok Engineers Inc).
Key specifications for 1031-D301-H-13: Measuring Method and Length: 15.000 INCHES NOMINAL OVERALL IN; Temp Rating: -29.0 CELSIUS AND 121.0 CELSIUS SINGLE RESPONSE DEGC; Minimum Inside Bending Radius: 4.625 INCHES IN; Connection Style: FLARELESS 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.