The Coupling,pipe, cataloged under National Stock Number 4730-01-187-2795, 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10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-187-2795 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.250 INCHES ALL ENDS IN |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Overall Length | 12.000 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | PLAIN |
| Material Document and Classification | MIL-T-0020157,TYPE E MIL SPEC SINGLE MATERIAL RESPONSE AND 4A39A,SCH 40 MFR REF 1ST MATERIAL RESPONSE OVERALL |
| Specification/standard Data | 81349-MIL-T-0020157 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | E TYPE |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 40 ALL ENDS |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 101A921YB6 1FT | 3/9 Design control — primary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 101A921UB6 1FT | C/1 Advisory reference — outside the item-of-supply concept General Electric Co Naval and Drive Turbine Systems Dept |
| 101A921YB6 | D/9 Drawing number reference only General Electric Co Naval and Drive Turbine Systems Dept |
NSN 4730-01-187-2795 is a Coupling,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-187-2795: Nominal Pipe Size Accommodated: 1.250 INCHES ALL ENDS IN; Connection Style: PLAIN (PIPE) ALL ENDS; Nominal Overall Length: 12.000 INCHES IN; Connection Type: UNTHREADED EXTERNAL PIPE ALL ENDS. 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.