The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-357-9975, 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 General Rubber Llc Dba General Rubber Corp. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-357-9975 |
| Primary Part Number | 1050SP2 |
| Item Name | Expansion Joint,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | General Rubber Llc Dba General Rubber Corp |
| Status | ACTIVE |
| Design Type | SPOOL |
| End Connection Type | FLANGED |
| Guide Type | EXTERNAL |
| Bolt Hole Quantity | 12 |
| Bolt Circle Diameter | 4.750 INCHES NOMINAL IN |
| Flange Outside Diameter | 6.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1050SP2 PRIMARY | General Rubber Llc Dba General Rubber Corp (USA) |
NSN 4730-01-357-9975 is a Expansion Joint,pipe, manufactured by General Rubber Llc Dba General Rubber Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-357-9975 has 1 manufacturer part number on file: 1050SP2 (General Rubber Llc Dba General Rubber Corp).
Key specifications for 1050SP2: Design Type: SPOOL; End Connection Type: FLANGED; Guide Type: EXTERNAL; Bolt Hole Quantity: 12. 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.