The Adapter,straight,flange to Hose, cataloged under National Stock Number 4730-01-331-6613, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-331-6613 |
| Item Name | Adapter,straight,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Connection Style | PLAIN (HOSE) SECOND END |
| Bolt Circle Nominal Diameter | 7.8125 INCHES FIRST END IN |
| Nominal Inside Diameter Hose Accommodated | 5.083 INCHES SECOND END IN |
| Nominal Overall Length | 6.750 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Connection Type | FLANGE FIRST END |
| Bolt Hole Nominal Diameter | 0.6875 INCHES FIRST END IN |
| Specification/standard Data | 81349-MIL-H-24136/1 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 3 TYPE |
| Nominal Outside Diameter | 9.0625 INCHES FIRST END IN |
| Bolt Hole Quantity | 10 FIRST END |
| Material | NICKEL ALLOY OVERALL |
| Nominal Thickness | 1.0625 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-H-24136/1-80TYA3 | 3/9 Design control — primary reference U.S. Government activity |
| MIL-DTL-24787/1-80TYFIII | 3/2 Design control — primary reference U.S. Government activity |
| MIL-F-24787/1-80TYFIV | 5/9 Secondary reference U.S. Government activity |
| MIL-H-24136/1 | 5/9 Secondary reference U.S. Government activity |
| MIL-F-24787 | 4/1 Identification reference U.S. Government activity |
NSN 4730-01-331-6613 is a Adapter,straight,flange to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
6 possible matches (shared part number, not a government interchangeability claim): 4720-01-450-4083, 4730-01-503-2825, 4730-01-503-2850. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-331-6613: Flange Shape: ROUND WITH HOLES FIRST END; Flange Face Design: RAISED STRAIGHT FIRST END; Connection Style: PLAIN (HOSE) SECOND END; Bolt Circle Nominal Diameter: 7.8125 INCHES FIRST END IN. 15 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.