The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-418-6478, 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 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-418-6478 |
| Primary Part Number | CP94A042 22 IN |
| Item Name | Expansion Joint,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc |
| Status | ACTIVE |
| Nominal Pipe Size Designation | 22.000 INCHES IN |
| Design Type | SPOOL |
| End Connection Type | FLANGED |
| Bolt Hole Diameter | 1.375 INCHES NOMINAL IN |
| Working Pressure Rating | 65.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Bolt Hole Quantity | 20 |
| Bolt Circle Diameter | 27.250 INCHES NOMINAL IN |
| Joint Type | SINGLE |
| 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 |
|---|---|
| CP94A042 22 IN PRIMARY | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA) |
| Reference | Meaning |
|---|---|
| CP94A042 | D/9 Drawing number reference only Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc |
NSN 4730-01-418-6478 is a Expansion Joint,pipe, manufactured by Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-418-6478 has 1 manufacturer part number on file: CP94A042 22 IN (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-418-6481. Verify interchangeability with system specifications before substitution.
Key specifications for CP94A042 22 IN: Nominal Pipe Size Designation: 22.000 INCHES IN; Design Type: SPOOL; End Connection Type: FLANGED; Bolt Hole Diameter: 1.375 INCHES NOMINAL IN. 8 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.