The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-345-4087, 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 9 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-345-4087 |
| Primary Part Number | 94999-4147 |
| 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 | 17.000 INCHES IN |
| Design Type | DIAPHRAGM |
| End Connection Type | FLANGED |
| Traverse Maximum Length | 3.000 INCHES IN |
| Bolt Hole Diameter | 0.562 INCHES NOMINAL IN |
| Bolt Hole Quantity | 24 |
| Bolt Circle Diameter | 20.000 INCHES NOMINAL IN |
| Material | PLASTIC POLYESTER AND RUBBER SYNTHETIC FLANGE |
| 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 |
|---|---|
| 94999-4147 PRIMARY | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA) |
| Reference | Meaning |
|---|---|
| 1D41390 | 7/2 Vendor item drawing reference U.S. Government activity |
| 1129E01 FIND 61 | 5/2 Secondary reference U.S. Government activity |
| 1129E01 | D/9 Drawing number reference only U.S. Government activity |
| 1D41390-001 | 3/2 Design control — primary reference U.S. Government activity |
| 6508E50FN270 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-345-4087 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 4730-01-345-4087 has 1 manufacturer part number on file: 94999-4147 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc).
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-345-4088, 4730-01-345-4937, 3110-01-346-2553. Verify interchangeability with system specifications before substitution.
Key specifications for 94999-4147: Nominal Pipe Size Designation: 17.000 INCHES IN; Design Type: DIAPHRAGM; End Connection Type: FLANGED; Traverse Maximum Length: 3.000 INCHES IN. 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.