The Flange,pipe, cataloged under National Stock Number 4730-00-391-8970, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Sunroc Corp. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-391-8970 |
| Primary Part Number | 3170 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Sunroc Corp |
| Status | ACTIVE |
| Socket Depth | 0.500 INCHES NOMINAL IN |
| Flange Length | 2.000 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Bolt Hole Diameter | 0.093 INCHES NOMINAL IN |
| Style Designator | OVAL, ONE BOLT HOLE CIRCLE |
| Flange Section Style | RAISED FACE SOCKET NECK (BULK HEAD) |
| Bore Diameter | 0.562 INCHES NOMINAL IN |
| Screw Thread Series Designator | UN |
| Thickness | 0.219 INCHES NOMINAL IN |
| Socket Diameter | 0.219 INCHES NOMINAL IN |
| Raised Face Diameter | 0.938 INCHES NOMINAL IN |
| Flange End Radius | 0.500 INCHES NOMINAL IN |
| Flange Width | 1.250 INCHES NOMINAL IN |
| Bolt Circle Diameter | 0.625 INCHES NOMINAL IN |
| Thread Class | 2B |
| Nominal Thread Size | 0.625 INCHES IN |
| Bolt Hole Quantity | 2 |
| Neck Height | 0.625 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 16 |
| Raised Face Height | 0.093 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3170 | Sunroc Corp (USA) |
| A015536 | Sunroc Corp (USA) |
| A020938-01 | Oasis Corp (USA) |
NSN 4730-00-391-8970 is a Flange,pipe, manufactured by Sunroc Corp, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-391-8970 has 3 cross-referenced part numbers: 3170 (Sunroc Corp), A015536 (Sunroc Corp), A020938-01 (Oasis Corp).
There are 12 known substitutes for 4730-00-391-8970: 4940-00-169-0139, 5305-00-206-5993, 1730-00-257-5356 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3170: Socket Depth: 0.500 INCHES NOMINAL IN; Flange Length: 2.000 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Bolt Hole Diameter: 0.093 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.