The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-770-0267, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Echelon Supply and Service, Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-770-0267 |
| Primary Part Number | D1D-01-85570 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Echelon Supply and Service, Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 94.000 INCHES NOMINAL OVERALL IN |
| Connection Style | PLAIN FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Exterior Color | BLACK |
| Inside Diameter | 0.438 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | AIR SINGLE RESPONSE |
| 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 |
|---|---|
| D1D-01-85570 PRIMARY | Echelon Supply and Service, Inc. (USA) |
| 85570 PRIMARY | Mine Safety Appliances Company (USA) |
| Reference | Meaning |
|---|---|
| 1C6-01-85570 | 5/9 Secondary reference Goguen Industries Inc |
| 01-85570 | 5/9 Secondary reference Mine Safety Appliances Company |
| 73765-54X3PCF22 | 5/2 Secondary reference U.S. Government activity |
| 9876-71PCITEMA | 5/2 Secondary reference U.S. Government activity |
| 7700267 | 5/9 Secondary reference Aero Customs Inc |
| 73765-54X3RAPCF22 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-00-770-0267 is a Hose Assembly,nonmetallic, manufactured by Echelon Supply and Service, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-770-0267 has 2 manufacturer part numbers on file: D1D-01-85570 (Echelon Supply and Service, Inc.), 85570 (Mine Safety Appliances Company).
1 possible match (shared part number, not a government interchangeability claim): 6105-00-833-7602. Verify interchangeability with system specifications before substitution.
Key specifications for D1D-01-85570: Measuring Method and Length: 94.000 INCHES NOMINAL OVERALL IN; Connection Style: PLAIN FIRST END; End Connection Design: STRAIGHT FIRST END; Layer Composition and Location: OUTER LAYER MOLDED RUBBER, SYNTHETIC. 14 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.