The Cap,pipe, cataloged under National Stock Number 4730-01-535-3174, 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10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-535-3174 |
| Item Name | Cap,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size for Which Designed | 1.000 INCHES IN |
| Connection Style | PLAIN (OPTIONAL END) |
| Style Designator | CAP |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Thread Direction | RIGHT-HAND INTERNAL |
| Nominal Thread Size | 1.000 INCHES INTERNAL IN |
| Maximum Operating Temp | 150.0 FAHRENHEIT DEGF |
| Media for Which Designed | WATER-OIL-GAS |
| Material | COPPER AND NICKEL ALLOY CAP |
| Thread Series Designator | NPT INTERNAL |
| 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 |
|---|---|
| 551-7526191ITEMF-17 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 641065-200 | 3/9 Design control — primary reference W. & O. Supply, Inc. Div Linden Branch |
NSN 4730-01-535-3174 is a Cap,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-535-3174: Nominal Pipe Size for Which Designed: 1.000 INCHES IN; Connection Style: PLAIN (OPTIONAL END); Style Designator: CAP; Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 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.