The Adapter,straight,hose to Boss, cataloged under National Stock Number 4730-01-676-1489, 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 13 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-676-1489 |
| Item Name | Adapter,straight,hose to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Width Across Flats | 2.25 INCHES SECOND END IN |
| Nominal Width Across Flats | 2.38 INCHES CENTER BULKHEAD IN |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| Nominal Overall Length | 4.75 INCHES IN |
| Connection Type | UNTHREADED INTERNAL HOSE SECOND END |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.00 INCHES FIRST END IN |
| Nominal Thread Size | 2.3125 INCHES FIRST END IN |
| Thread Class | 2B FIRST END |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UNS 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 |
| Reference | Meaning |
|---|---|
| MIL-F-24787/3 | 5/9 Secondary reference U.S. Government activity |
| M24787/3,TY-C,GR-II,-16 1 | 2/2 Government specification standardization U.S. Government activity |
| MIL-F-24787/3-16GII,TYC,1.0NPS | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-24787/3 | 4/1 Identification reference U.S. Government activity |
NSN 4730-01-676-1489 is a Adapter,straight,hose to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-676-1489: Nominal Width Across Flats: 2.25 INCHES SECOND END IN; Nominal Width Across Flats: 2.38 INCHES CENTER BULKHEAD IN; Connection Style: GRIPPING NIPPLE (NOSE) SECOND END; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END. 13 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.