The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-028-1828, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Pacific Flexible Metal Hose Co Dba Pacific Flex. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-028-1828 |
| Primary Part Number | 1165-4-1200 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Pacific Flexible Metal Hose Co Dba Pacific Flex |
| Status | ACTIVE |
| Measuring Method and Length | 10.000 INCHES NOMINAL WORKING IN |
| Temp Rating | -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Inside Diameter | 0.188 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Thread Class | 3B FIRST END |
| Burst Test Pressure | 10000.0 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | CORROSION RESISTANT |
| 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 | S |
| Part Number | Manufacturer |
|---|---|
| 1165-4-1200 PRIMARY | Pacific Flexible Metal Hose Co Dba Pacific Flex (USA) |
| Reference | Meaning |
|---|---|
| 691005-1 | 5/9 Secondary reference Cryoquip, Llc |
| 691005 | D/9 Drawing number reference only Hex Industries Inc |
| 691005-1 | 5/9 Secondary reference Hex Industries Inc |
| 901001-32 | 5/9 Secondary reference Hex Industries Inc |
NSN 4720-01-028-1828 is a Hose Assembly,nonmetallic, manufactured by Pacific Flexible Metal Hose Co Dba Pacific Flex, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-028-1828 has 1 manufacturer part number on file: 1165-4-1200 (Pacific Flexible Metal Hose Co Dba Pacific Flex).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-651-2895. Verify interchangeability with system specifications before substitution.
Key specifications for 1165-4-1200: Measuring Method and Length: 10.000 INCHES NOMINAL WORKING IN; Temp Rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Style: SWIVEL NUT FLARE FIRST END; End Connection Design: STRAIGHT FIRST END. 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.