The Flange,pipe, cataloged under National Stock Number 4730-01-123-3017, 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 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-123-3017 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Face Seating Surface Condition | GROUND |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CL 2,BLUE MIL SPEC SINGLE TREATMENT RESPONSE |
| Tube Outside Diameter for Which Designed | 0.148 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN |
| Flange Section Style | PLAIN FACE |
| Style Designator | RECTANGULAR, WITH BOLT HOLES |
| Bolt Hole Diameter | 0.133 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-250/11,T4 OR T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Flange Length | 0.750 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 0.531 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Center to Center Distance Between Bolt Holes Along Width | 0.531 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.109 INCHES NOMINAL IN |
| Flange Width | 0.750 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.109 INCHES NOMINAL IN |
| Thickness | 0.125 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 |
|---|---|
| 3542117-3 | 3/2 Design control — primary reference U.S. Government activity |
| 3542117 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-123-3017 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-123-3847, 4730-01-123-5724, 4730-01-123-8678. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-123-3017: Face Seating Surface Condition: GROUND; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CL 2,BLUE MIL SPEC SINGLE TREATMENT RESPONSE; Tube Outside Diameter for Which Designed: 0.148 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN; Flange Section Style: PLAIN FACE. 17 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.