The Coupling,pipe, cataloged under National Stock Number 4730-01-293-2931, 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 Nibco Inc Chemtrol Div. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-293-2931 |
| Primary Part Number | 5101 1-1/2 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Nibco Inc Chemtrol Div |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.500 INCHES ALL ENDS IN |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Nominal Overall Length | 3.000 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | PLAIN |
| Material Document and Classification | ASTM-D1784,CL-23447-B ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 80 ALL ENDS |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL |
| 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 |
|---|---|
| 5101 1-1/2 PRIMARY | Nibco Inc Chemtrol Div (USA) |
| 1829-015 | Nibco Inc Chemtrol Div (USA) |
| Reference | Meaning |
|---|---|
| 05025011 | 5/9 Secondary reference Nibco Inc |
| 1829-015 | 5/9 Secondary reference Nibco Inc |
| 5101 1-1/2 | 3/9 Design control — primary reference Nibco Inc |
NSN 4730-01-293-2931 is a Coupling,pipe, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-293-2931 has 2 manufacturer part numbers on file: 5101 1-1/2 (Nibco Inc Chemtrol Div), 1829-015 (Nibco Inc Chemtrol Div).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-623-4488, 7690-01-707-5957. Verify interchangeability with system specifications before substitution.
Key specifications for 5101 1-1/2: Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN; Connection Style: SOCKET (PIPE) ALL ENDS; Nominal Overall Length: 3.000 INCHES IN; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 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.