The Flange,pipe,blind, cataloged under National Stock Number 4730-01-134-0883, 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 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-134-0883 |
| Item Name | Flange,pipe,blind |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Diameter | 6.000 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 2.000 INCHES IN |
| Flange Section Style | RAISED FACE (BLIND) |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.750 INCHES NOMINAL IN |
| Material Document and Classification | ANSIB16.5-A182 GR F304 ASSN STD SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 81349-MIL-F-18180 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 1 FIGURE |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 4.750 INCHES NOMINAL IN |
| Raised Face Height | 0.062 INCHES NOMINAL IN |
| Material | STEEL COMP 304 |
| Thickness | 0.688 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 |
|---|---|
| 16015-2 IN | 5/1 Secondary reference Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy |
| ASME B16.5 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| M18180/6-006A21 | 5/9 Secondary reference U.S. Government activity |
| MIL-F-18180 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-134-0883 is a Flange,pipe,blind, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-134-0883: Flange Diameter: 6.000 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 2.000 INCHES IN; Flange Section Style: RAISED FACE (BLIND). 14 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.