The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-134-2332, 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 Peterson Industrial Products, Inc. Dba Peterson Industrial Products Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-134-2332 |
| Primary Part Number | EL-77-SP-20X17 7/8IN |
| Item Name | Expansion Joint,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Peterson Industrial Products, Inc. Dba Peterson Industrial Products Inc |
| Status | ACTIVE |
| Nominal Pipe Size Designation | 20.000 INCHES IN |
| Design Type | SLIP |
| End Connection Type | FLANGED |
| Traverse Maximum Length | 5.200 INCHES IN |
| Bolt Hole Diameter | 1.250 INCHES NOMINAL IN |
| Bolt Hole Quantity | 20 |
| Bolt Circle Diameter | 25.000 INCHES NOMINAL IN |
| Material | STEEL FLANGE |
| Joint Type | DOUBLE |
| Flange Outside Diameter | 27.500 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 |
|---|---|
| EL-77-SP-20X17 7/8IN PRIMARY | Peterson Industrial Products, Inc. Dba Peterson Industrial Products Inc (USA) |
| Reference | Meaning |
|---|---|
| EL-77-SP-20 IN1 | C/1 Advisory reference — outside the item-of-supply concept Peterson Industrial Products, Inc. Dba Peterson Industrial Products Inc |
NSN 4730-01-134-2332 is a Expansion Joint,pipe, manufactured by Peterson Industrial Products, Inc. Dba Peterson Industrial Products Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-134-2332 has 1 manufacturer part number on file: EL-77-SP-20X17 7/8IN (Peterson Industrial Products, Inc. Dba Peterson Industrial Products Inc).
Key specifications for EL-77-SP-20X17 7/8IN: Nominal Pipe Size Designation: 20.000 INCHES IN; Design Type: SLIP; End Connection Type: FLANGED; Traverse Maximum Length: 5.200 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.