The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-00-313-8985, 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10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-313-8985 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | HEXAGON WITH HOLES SECOND END |
| Furnished Items and Quantity | 2 STRAINER |
| Bolt Circle Nominal Diameter | 3.812 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Bolt Hole Nominal Diameter | 0.333 INCHES SECOND END IN |
| Nominal Thread Size | 2.250 INCHES FIRST END IN |
| Bolt Hole Quantity | 6 SECOND END |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | ANPT 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 |
|---|---|
| MS26550-1 | 5/9 Secondary reference U.S. Government activity |
| 6639-1 | 3/2 Design control — primary reference U.S. Government activity |
| MIL-C-19179 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-313-8985 is a Adapter,straight,flange to Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4730-00-892-6274, 4730-01-195-3875, 4730-01-395-9301. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-313-8985: Flange Shape: HEXAGON WITH HOLES SECOND END; Furnished Items and Quantity: 2 STRAINER; Bolt Circle Nominal Diameter: 3.812 INCHES SECOND END IN; Connection Type: FLANGE SECOND 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.