The Coupling,pipe, cataloged under National Stock Number 4730-01-045-1776, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-045-1776 |
| Primary Part Number | 3/4 INCH NPSS1 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.750 INCHES FIRST END IN |
| Connection Style | SOCKET (PIPE) FIRST END |
| Criticality Code Justification | ZZZX |
| Style Designator | PLAIN |
| Departure From Cited Designator | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| 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 | S |
| Part Number | Manufacturer |
|---|---|
| 3/4 INCH NPSS1 | Naval Inventory Control Point Mechanicsburg (USA) |
| ANSI-B16.11 PSI 3000 SOCKET WES1 | Naval Inventory Control Point Mechanicsburg (USA) |
| ASTM-A182 FORGINGS GRADE F11S1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 3/4 INCH NPS | 4/1 Identification reference U.S. Government activity |
| ASTM-A182 FORGINGS GRADE F11 | 4/1 Identification reference U.S. Government activity |
| ANSI-B16.11 PSI 3000 SOCKET WE | 4/1 Identification reference U.S. Government activity |
NSN 4730-01-045-1776 is a Coupling,pipe, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-045-1776 has 3 manufacturer part numbers on file: 3/4 INCH NPSS1 (Naval Inventory Control Point Mechanicsburg), ANSI-B16.11 PSI 3000 SOCKET WES1 (Naval Inventory Control Point Mechanicsburg), ASTM-A182 FORGINGS GRADE F11S1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 3/4 INCH NPSS1: Nominal Pipe Size Accommodated: 0.750 INCHES FIRST END IN; Connection Style: SOCKET (PIPE) FIRST END; Criticality Code Justification: ZZZX; Style Designator: PLAIN. 6 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.