The Flange,pipe,blind, cataloged under National Stock Number 4730-01-693-8258, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-693-8258 |
| Primary Part Number | SP-20 |
| Item Name | Flange,pipe,blind |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Face Seating Surface Condition | MACHINED |
| Flange Section Style | RECESSED FACE (BLIND) |
| Style Designator | RECTANGULAR, WITH BOLT HOLES |
| Bolt Hole Diameter | 0.469 INCHES NOMINAL IN |
| Flange Length | 2.880 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 1.188 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Width | 2.313 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.4035 INCHES NOMINAL IN |
| Flange Width | 3.120 INCHES NOMINAL IN |
| Material | STEEL |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.846 INCHES NOMINAL IN |
| Thickness | 0.330 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 |
NSN 4730-01-693-8258 is a Flange,pipe,blind, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-693-8258 has 2 manufacturer part numbers on file: SP-20 (Anchor Flange Company Dba Anchor Fluid Power), SP-20 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for SP-20: Face Seating Surface Condition: MACHINED; Flange Section Style: RECESSED FACE (BLIND); Style Designator: RECTANGULAR, WITH BOLT HOLES; Bolt Hole Diameter: 0.469 INCHES NOMINAL IN. 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.