The Flange,pipe, cataloged under National Stock Number 4730-01-192-5905, 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 Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-192-5905 |
| Primary Part Number | 993H0007 PIECE 92 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Socket Diameter | 2.750 INCHES NOMINAL IN |
| Flange Diameter | 5.562 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 2.000 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 425.0 FAHRENHEIT GAS AND 425.0 FAHRENHEIT OIL AND 425.0 FAHRENHEIT WATER DEGF |
| Operating Pressure and Type | 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Section Style | PLAIN FACE, SOCKET BRAZING NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.562 INCHES NOMINAL IN |
| Neck Height | 0.937 INCHES NOMINAL IN |
| Specification/standard Data | 81349-MIL-F-20042 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | PR TYPE AND 2.000 SIZE |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 4.438 INCHES NOMINAL IN |
| Precious Material and Location | BRAZING RING SILVER |
| Bore Diameter | 2.240 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Thickness | 0.438 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 |
|---|---|
| 993H0007 PIECE 92 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| MIL-PRF-20042 | 4/1 Identification reference U.S. Government activity |
| 993H0007 | D/9 Drawing number reference only Circor Naval Solutions Llc Dba Warren Pumps |
| MIL-F-20042 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-192-5905 is a Flange,pipe, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-192-5905 has 1 manufacturer part number on file: 993H0007 PIECE 92 (Circor Naval Solutions Llc Dba Warren Pumps).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-192-5906. Verify interchangeability with system specifications before substitution.
Key specifications for 993H0007 PIECE 92: Socket Diameter: 2.750 INCHES NOMINAL IN; Flange Diameter: 5.562 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 2.000 INCHES IN. 18 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.