The Flange,pipe,blind, cataloged under National Stock Number 4730-01-023-8666, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Tube Turns Technologies Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-023-8666 |
| Primary Part Number | 70-2IN-150PSI |
| Item Name | Flange,pipe,blind |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tube Turns Technologies Inc |
| 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 | PLAIN FACE (BLIND) |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.750 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A105,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 80204-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 8 TABLE |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 4.750 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 0.750 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 |
| Part Number | Manufacturer |
|---|---|
| 70-2IN-150PSI PRIMARY | Tube Turns Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| MIL-F-18180 | 5/9 Secondary reference U.S. Government activity |
| B16.5 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-023-8666 is a Flange,pipe,blind, manufactured by Tube Turns Technologies Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-023-8666 has 1 manufacturer part number on file: 70-2IN-150PSI (Tube Turns Technologies Inc).
Key specifications for 70-2IN-150PSI: 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: PLAIN FACE (BLIND). 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.