The Hose Assembly,metallic, cataloged under National Stock Number 4720-00-457-6345, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hyspan Precision Products, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-00-457-6345 |
| Primary Part Number | 105306 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hyspan Precision Products, Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 20.688 INCHES NOMINAL OVERALL IN |
| Flange Thickness | 0.250 INCHES NOMINAL FIRST END IN |
| Connection Style | PLAIN FIRST END |
| Flange Outside Diameter | 7.750 INCHES NOMINAL FIRST END IN |
| End Connection Design | STRAIGHT FIRST END |
| Connection Type | PLAIN FACE FLANGE FIRST END |
| Bolt Hole Diameter | 0.500 INCHES NOMINAL FIRST END IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 5.000 INCHES NOMINAL IN |
| Features Provided | IDENTICAL ENDS |
| Inside Diameter | 4.000 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 FIRST END |
| Bolt Circle Diameter | 6.625 INCHES NOMINAL FIRST END IN |
| Flange Style | ROUND W / BOLT HOLES FIRST END |
| End Flange Construction | SOLID 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 |
|---|---|
| 105306 PRIMARY | Hyspan Precision Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MMC39-53 | 5/9 Secondary reference Hyspan Precision Products, Inc. |
NSN 4720-00-457-6345 is a Hose Assembly,metallic, manufactured by Hyspan Precision Products, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-457-6345 has 1 manufacturer part number on file: 105306 (Hyspan Precision Products, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5365-00-814-3313, 3120-01-288-5062, 7025-01-643-6047. Verify interchangeability with system specifications before substitution.
Key specifications for 105306: Measuring Method and Length: 20.688 INCHES NOMINAL OVERALL IN; Flange Thickness: 0.250 INCHES NOMINAL FIRST END IN; Connection Style: PLAIN FIRST END; Flange Outside Diameter: 7.750 INCHES NOMINAL FIRST END IN. 16 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.