The Adapter,straight,hose to Boss, cataloged under National Stock Number 4730-00-674-8311, 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 10 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-674-8311 |
| Item Name | Adapter,straight,hose to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | GASKET SEAL (BOSS) FIRST END |
| Connection Style | PLAIN (HOSE) SECOND END |
| Nominal Overall Length | 3.000 INCHES IN |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Connection Type | THREADED EXTERNAL HOSE SECOND END |
| Nominal Thread Size | 1.500 INCHES FIRST END IN |
| Nominal Thread Size | 2.500 INCHES SECOND END IN |
| Thread Class | 2A SECOND END A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| MB310 | 5/9 Secondary reference U.S. Government activity |
| 1385898PC1THRU8 | 3/2 Design control — primary reference U.S. Government activity |
| MB310 | 5/9 Secondary reference Tokheim Corp Small Pumps Div |
| 810-1385-898 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4730-00-674-8311 is a Adapter,straight,hose to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-01-136-2457. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-674-8311: Connection Style: GASKET SEAL (BOSS) FIRST END; Connection Style: PLAIN (HOSE) SECOND END; Nominal Overall Length: 3.000 INCHES IN; Connection Type: THREADED INTERNAL BOSS FIRST END. 10 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.