The Spacer,flexible,pipeline, cataloged under National Stock Number 4730-01-174-9593, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-174-9593 |
| Item Name | Spacer,flexible,pipeline |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Thickness | 0.190 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Material Document and Classification | QQ-S-766, CLASS 304, COND A FED SPEC 1ST MATERIAL RESPONSE AND MIL-R-6855, CLASS 2, GRADE 40 MIL SPEC 2ND MATERIAL RESPONSE |
| Outside Diameter | 16.600 INCHES NOMINAL IN |
| Body Length | 2.120 INCHES NOMINAL IN |
| Inside Diameter | 14.000 INCHES NOMINAL IN |
| Flange Height | 1.300 INCHES NOMINAL IN |
| Material | STEEL COMP 304 OR RUBBER CHLOROPRENE CLASS CR |
| Fabrication Method | EXTRUDED |
| Thickness | 0.190 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 |
| Reference | Meaning |
|---|---|
| 2642-643-11 | D/9 Drawing number reference only U.S. Government activity |
| 87643-3610 IT F-6 | 3/2 Design control — primary reference U.S. Government activity |
| 845-4675606 | D/9 Drawing number reference only U.S. Government activity |
| 501-4675402-00F6 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-174-9593 is a Spacer,flexible,pipeline, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-174-9593: Flange Thickness: 0.190 INCHES NOMINAL IN; Style Designator: ROUND; Material Document and Classification: QQ-S-766, CLASS 304, COND A FED SPEC 1ST MATERIAL RESPONSE AND MIL-R-6855, CLASS 2, GRADE 40 MIL SPEC 2ND MATERIAL RESPONSE; Outside Diameter: 16.600 INCHES NOMINAL IN. 10 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.