The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-239-3848, 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 Holz Rubber Co, Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-239-3848 |
| Primary Part Number | 600A-3/333X6X12 W/RODS |
| Item Name | Expansion Joint,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Holz Rubber Co, Inc |
| Status | ACTIVE |
| Nominal Pipe Size Designation | 6.000 INCHES IN |
| Design Type | CORRUGATED ELEMENT |
| Equalization Characteristic | SELF-EQUALIZING |
| End Connection Type | FLANGED |
| Traverse Maximum Length | 12.750 INCHES IN |
| Bolt Hole Diameter | 0.688 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Bolt Circle Diameter | 10.125 INCHES NOMINAL IN |
| Joint Type | DOUBLE |
| 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 |
|---|---|
| U15330-6X12 | Unaflex Inc. (USA) |
| 9278EZ-FL06X12W/RODS | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA) |
| N-190A/NN | Aquitrol (USA) |
| 600A-3/333X6X12 W/RODS PRIMARY | Holz Rubber Co, Inc (USA) |
| Reference | Meaning |
|---|---|
| 4730-DA0-612276 | C/1 Advisory reference — outside the item-of-supply concept General Rubber Llc Dba General Rubber Corp |
| 6X12 3 ARCH | C/1 Advisory reference — outside the item-of-supply concept Unaflex Inc. |
| 6X12,3ARCH,250P | C/1 Advisory reference — outside the item-of-supply concept Unaflex Inc. |
NSN 4730-01-239-3848 is a Expansion Joint,pipe, manufactured by Holz Rubber Co, Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-239-3848 has 4 manufacturer part numbers on file: U15330-6X12 (Unaflex Inc.), 9278EZ-FL06X12W/RODS (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), N-190A/NN (Aquitrol), 600A-3/333X6X12 W/RODS (Holz Rubber Co, Inc).
Key specifications for 600A-3/333X6X12 W/RODS: Nominal Pipe Size Designation: 6.000 INCHES IN; Design Type: CORRUGATED ELEMENT; Equalization Characteristic: SELF-EQUALIZING; End Connection Type: FLANGED. 9 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.