The Hose Assembly,metallic, cataloged under National Stock Number 4720-00-726-3471, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Coast Metal Craft, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-00-726-3471 |
| Primary Part Number | 88021 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Coast Metal Craft, Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 15.120 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 2.000 INCHES IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | OUTER LAYER BRAIDED STEEL WIRE |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Operating Pressure | 220.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | IDENTICAL ENDS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Specification/standard Data | 98897-3+90958-103 MANUFACTURERS SOURCE CONTROL |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Thread Class | 3B FIRST END |
| Thread Series Designator | UNF FIRST END |
| Inner Conveying Tube Style | ANNULAR CLOSE-PITCH CORRUGATED |
| 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 |
|---|---|
| 88021 PRIMARY | Coast Metal Craft, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3P90958-103 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4720-00-726-3471 is a Hose Assembly,metallic, manufactured by Coast Metal Craft, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-726-3471 has 1 manufacturer part number on file: 88021 (Coast Metal Craft, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 6145-01-422-3006, 6130-01-459-0691, 8465-01-629-5993. Verify interchangeability with system specifications before substitution.
Key specifications for 88021: Measuring Method and Length: 15.120 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 2.000 INCHES IN; 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.