The Cap,pipe, cataloged under National Stock Number 4730-00-783-7350, 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 Dresser Industries Inc Leroi Div. Government technical data includes 9 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-783-7350 |
| Primary Part Number | H4-410 |
| Item Name | Cap,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Nominal Pipe Size for Which Designed | 1.750 INCHES IN |
| Connection Style | INVERTED FLARE |
| Style Designator | CAP |
| Thread Direction | RIGHT-HAND INTERNAL |
| Nominal Thread Size | 1.750 INCHES INTERNAL IN |
| Thread Class | 2B INTERNAL |
| Thread Quantity Per Inch | 16 INTERNAL |
| Material | IRON OVERALL |
| Thread Series Designator | UN INTERNAL |
| 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 |
|---|---|
| H4-410 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
| Reference | Meaning |
|---|---|
| 181777 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-783-7350 is a Cap,pipe, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-783-7350 has 1 manufacturer part number on file: H4-410 (Dresser Industries Inc Leroi Div).
Key specifications for H4-410: Nominal Pipe Size for Which Designed: 1.750 INCHES IN; Connection Style: INVERTED FLARE; Style Designator: CAP; Thread Direction: RIGHT-HAND INTERNAL. 9 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.