The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-529-6878, 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 Flexible Metal Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-529-6878 |
| Primary Part Number | ASY-0034-EXPJ-0057REV. A |
| Item Name | Expansion Joint,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Flexible Metal Inc |
| Status | ACTIVE |
| Nominal Pipe Size Designation | 3.000 INCHES IN |
| End Connection Type | FLANGED |
| Working Pressure Rating | 25.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| 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 |
|---|---|
| 1507SP-62675 | Hyspan Precision Products, Inc. (USA) |
| ASY-0034-EXPJ-0057REV. A PRIMARY | Flexible Metal Inc (USA) |
| Reference | Meaning |
|---|---|
| 3-S0-025-0.20-FXFXC159B7E20 | 5/1 Secondary reference Flexible Metal Inc |
| 4730-DA0-735379 | 5/1 Secondary reference Flexible Metal Inc |
NSN 4730-01-529-6878 is a Expansion Joint,pipe, manufactured by Flexible Metal Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-529-6878 has 2 manufacturer part numbers on file: 1507SP-62675 (Hyspan Precision Products, Inc.), ASY-0034-EXPJ-0057REV. A (Flexible Metal Inc).
Key specifications for ASY-0034-EXPJ-0057REV. A: Nominal Pipe Size Designation: 3.000 INCHES IN; End Connection Type: FLANGED; Overall Length: 9.000 INCHES NOMINAL IN; Working Pressure Rating: 25.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. 3 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.