The Flange,pipe,blind, cataloged under National Stock Number 4730-00-778-3792, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-778-3792 |
| Primary Part Number | CS-4730-0206 |
| Item Name | Flange,pipe,blind |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Flange End Radius | 2.750 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Operating Pressure and Type | 125.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LBS |
| Flange Section Style | TONGUED FACE (BLIND) |
| Style Designator | TRIANGULAR, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 1.000 INCHES NOMINAL IN |
| Recess Diameter | 6.812 INCHES NOMINAL IN |
| Bolt Hole Quantity | 3 |
| Bolt Circle Diameter | 10.000 INCHES NOMINAL IN |
| Raised Face Diameter | 7.938 INCHES NOMINAL IN |
| Raised Face Height | 0.250 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 1.000 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 |
|---|---|
| CS-4730-0206 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| ST-CPL/BF-NATO/B PRIMARY | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| ST-B/FLNG-NATO/B | 5/9 Secondary reference Hydrasearch Company, Llc |
| FS-S5501-169238PC8 | 5/9 Secondary reference U.S. Government activity |
| 169238 | 5/9 Secondary reference U.S. Government activity |
| FS-S5501-169238 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-00-778-3792 is a Flange,pipe,blind, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-778-3792 has 2 manufacturer part numbers on file: CS-4730-0206 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), ST-CPL/BF-NATO/B (Hydrasearch Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-00-778-3793. Verify interchangeability with system specifications before substitution.
Key specifications for CS-4730-0206: Flange End Radius: 2.750 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Operating Pressure and Type: 125.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LBS; Flange Section Style: TONGUED 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.