The Flange,pipe, cataloged under National Stock Number 4730-00-955-5310, 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 Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-955-5310 |
| Primary Part Number | 21530-20-20 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| 21530-20-20 | Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (USA) |
| Reference | Meaning |
|---|---|
| J518TABLE1F1G3 | 5/9 Secondary reference U.S. Government activity |
| J519TABLE1 | 5/9 Secondary reference U.S. Government activity |
| 21530-20-20 | 3/2 Design control — primary reference U.S. Government activity |
| J518TABLE1F1G3 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 21530-20-20 | 5/9 Secondary reference U.S. Government activity |
| J519TABLE1 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-00-955-5310 is a Flange,pipe, manufactured by Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-955-5310 has 1 manufacturer part number on file: 21530-20-20 (Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control).
Key specifications for 21530-20-20: Special Features: CONNECTION STYLE: GRIPPING (HOSE) 2ND END; FLANGE SHAPE: ROUND 1ST END; CONNECTION TYPE: FLANGE 1ST END THREADED EXTERNAL HOSE GRIPPING 2ND END; NOMINAL OUTSIDE DIAMETER: 2.000 IN. 1ST END; FLANGE FACE DESIGN: PLAIN 1ST END; NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 1.250 IN. 2ND END; NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 1.891 INCHES 2ND END; NOMINAL OVERALL LENGTH: 5.703 IN.; FURNISHED ITEMS AND QUANTITY: 1 HOSE COUPLING NUT; W/GROOVE FOR 1/8 IN.CROSS-SECTION SIZE 1-3/4 IN.OD O-RING IN; Material: STEEL. 1 specification is 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.