The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-327-7673, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 19 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-327-7673 |
| Primary Part Number | AS621-06-0290 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Measuring Method and Length | 29.000 INCHES NOMINAL WORKING IN |
| Temp Rating | -65.0 FAHRENHEIT AND 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 5.000 INCHES IN |
| Connection Style | SWIVEL NUT, FLARELESS FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND 2ND LAYER SPIRALLY WRAPPED CORROSION RESISTANT STEEL FABRIC AND 3RD LAYER SPIRALLY WRAPPED CORROSION RESISTANT STEEL FABRIC AND OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.535 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| End Fitting Component and Material | COMPLETE FITTING STEEL CORROSION RESISTING ALL ENDS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Inside Diameter | 0.312 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Thread Class | 3B FIRST END |
| Burst Test Pressure | 10500.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| AS621-06-0290 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS621-06-0290 | 5/9 Secondary reference U.S. Government activity |
| AS621-06-0290 | 5/9 Secondary reference Teleflex Fluid Systems Inc Dba Teleflex Aero-Hose |
| AS621 | 5/1 Secondary reference U.S. Government activity |
| 66060606-0290 | 5/1 Secondary reference Smiths Tubular Systems-Laconia, Inc. |
| 170141-6CR-0293 | 5/1 Secondary reference U.S. Government activity |
| SAE-AS604 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS621-06-0290 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| AS604 | 5/9 Secondary reference Sae International Dba Sae International |
| AS604 | 5/9 Secondary reference U.S. Government activity |
| 4720PL1575274 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| AS621-06-0290 | 5/1 Secondary reference U.S. Government activity |
NSN 4720-01-327-7673 is a Hose Assembly,nonmetallic, manufactured by Sae International Dba Sae International, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-327-7673 has 1 manufacturer part number on file: AS621-06-0290 (Sae International Dba Sae International).
5 possible matches (shared part number, not a government interchangeability claim): 4720-01-327-7674, 4720-01-327-7675, 4720-01-329-1294. Verify interchangeability with system specifications before substitution.
Key specifications for AS621-06-0290: Measuring Method and Length: 29.000 INCHES NOMINAL WORKING IN; Temp Rating: -65.0 FAHRENHEIT AND 400.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 5.000 INCHES IN; Connection Style: SWIVEL NUT, FLARELESS FIRST END. 19 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.