The Flange,pipe,blind, cataloged under National Stock Number 4730-01-015-9329, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-015-9329 |
| Primary Part Number | 70-150-2 1/2 |
| 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 | 7.000 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 2.500 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 301.0 FAHRENHEIT ANY ACCEPTABLE DEGF |
| 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 A181,GRADE 1 ASSN STD SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 05047-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 5.500 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 0.875 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 |
|---|---|
| 70-150-2 1/2 | Tube Turns Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| B16.5 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| ANSI B16.5 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| MIL-F-18180/6 | 5/9 Secondary reference U.S. Government activity |
| 70 | 5/1 Secondary reference Tube Turns Technologies Inc |
| M18180/6-007B04 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-015-9329 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 4730-01-015-9329 has 1 manufacturer part number on file: 70-150-2 1/2 (Tube Turns Technologies Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-132-8797. Verify interchangeability with system specifications before substitution.
Key specifications for 70-150-2 1/2: Flange Diameter: 7.000 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 2.500 INCHES IN; Maximum Operating Temp and Media for Which Designed: 301.0 FAHRENHEIT ANY ACCEPTABLE DEGF. 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.