The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-00-200-0747, 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 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-200-0747 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | SWIVEL NUT, FLARED (TUBE) FIRST END |
| Seat Nominal Radius | 0.062 INCHES FIRST END IN |
| Nominal Overall Length | 3.635 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.688 INCHES FIRST END IN |
| Nominal Thread Size | 0.960 INCHES FIRST END IN |
| Nominal Thread Size | 0.898 INCHES SECOND END IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NGO 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 |
|---|---|
| C81-6-263 TYPE C | 5/9 Secondary reference U.S. Government activity |
| D81-6-263 TYPE C ASSEMBLY | 3/2 Design control — primary reference U.S. Government activity |
| D81-6-263 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-00-200-0747 is a Adapter,straight,tube 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): 4730-00-200-0759. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-200-0747: Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: SWIVEL NUT, FLARED (TUBE) FIRST END; Seat Nominal Radius: 0.062 INCHES FIRST END IN; Nominal Overall Length: 3.635 INCHES IN. 11 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.