The Reducer Body,tube, cataloged under National Stock Number 4730-00-908-6975, 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13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-908-6975 |
| Item Name | Reducer Body,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Second End Seat Angle in Deg | 37.0 |
| First End Seat Angle in Deg | 37.0 |
| Tube Outside Diameter for Which Designed | 0.375 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Style Designator | REDUCER BODY |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1564 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Thread Size | 0.562-18 |
| Screw Thread Series Designator | UNF |
| Surface Treatment | CADMIUM |
| Flange Width | 0.266 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Material | STEEL COMP 1137 OR STEEL COMP 1141 |
| Flange Outside Diameter | 0.972 INCHES NOMINAL 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 |
|---|---|
| NAS1564 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1564-12-6 | 3/2 Design control — primary reference U.S. Government activity |
| SAE-AS4841 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-00-908-6975 is a Reducer Body,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4730-00-908-7085, 4730-01-070-2623, 4730-01-220-0902. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-908-6975: Second End Seat Angle in Deg: 37.0; First End Seat Angle in Deg: 37.0; Tube Outside Diameter for Which Designed: 0.375 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Style Designator: REDUCER BODY. 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.