The Seal Nut,pipe, cataloged under National Stock Number 4730-01-115-0761, 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 Signal-Hill Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-115-0761 |
| Primary Part Number | NC-08 |
| Item Name | Seal Nut,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Signal-Hill Corp |
| Status | ACTIVE |
| Width Across Flats | 1.625 INCHES NOMINAL IN |
| Thread Series | NPT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Nut Height | 0.359 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL EXCEPT BEARING SURFACE |
| Nut Style | PIPE SEAL NUT |
| Thread Quantity Per Inch | 11-1/2 |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material | STEEL COMP 303 OVERALL EXCEPT BEARING SURFACE |
| 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 |
|---|---|
| NC-08 PRIMARY | Signal-Hill Corp (USA) |
| Reference | Meaning |
|---|---|
| TSE02-100 | 3/2 Design control — primary reference U.S. Government activity |
| 1INNPTSSTRU-SEAL | 5/2 Secondary reference U.S. Government activity |
| 1INNPTSSTRU-SEAL | 5/9 Secondary reference U.S. Government activity |
| TSE02-100 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-115-0761 is a Seal Nut,pipe, manufactured by Signal-Hill Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-115-0761 has 1 manufacturer part number on file: NC-08 (Signal-Hill Corp).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-169-2084. Verify interchangeability with system specifications before substitution.
Key specifications for NC-08: Width Across Flats: 1.625 INCHES NOMINAL IN; Thread Series: NPT; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.000 INCHES 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.