The Coupling,pipe, cataloged under National Stock Number 4730-01-083-1907, 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 Swagelok Co. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-083-1907 |
| Primary Part Number | SS-4-SA-EA |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 1.375 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Style Designator | RIGID, THREADED INTERNAL AND EXTERNAL |
| Operating Pressure | 4600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT FIRST END |
| 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 |
|---|---|
| 2603016-1 | Cosmodyne, Llc Dba Cosmodyne Llc (USA) |
| SS-4-SA-EA PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| SC4730-0010-1 | 5/9 Secondary reference Drs Icas, Llc |
| SC4730-0010 | D/9 Drawing number reference only Drs Icas, Llc |
| SS-4-SA-EA | 5/9 Secondary reference Cajon Co |
| SS | 5/9 Secondary reference Cajon Co |
NSN 4730-01-083-1907 is a Coupling,pipe, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-083-1907 has 2 manufacturer part numbers on file: 2603016-1 (Cosmodyne, Llc Dba Cosmodyne Llc), SS-4-SA-EA (Swagelok Co).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-505-4359, 5975-01-664-6079. Verify interchangeability with system specifications before substitution.
Key specifications for SS-4-SA-EA: Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 1.375 INCHES IN; Connection Type: THREADED INTERNAL PIPE FIRST END. 12 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.