The Nipple,pipe, cataloged under National Stock Number 4730-01-017-5121, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 16 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-017-5121 |
| Primary Part Number | 1-2X1-4FF-B |
| Item Name | Nipple,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 0.500 INCHES FIRST END IN |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 1.700 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Material Document and Classification | SAE CA360 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Specification/standard Data | 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 FIGURE |
| Material | COPPER ALLOY 360 OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT FIRST END |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 1-2X1-4FF-B PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 23325X8X4 | Essex Brownell Inc. Div Essex Group Inc (USA) |
| 836-0502B6009-6 | Wheeler Fleet Solutions, Co. (USA) |
| SAE J514-3 8-4 140137B PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE J514 8-4 140137B | 5/9 Secondary reference U.S. Government activity |
| J514 | 5/9 Secondary reference Sae International Dba Sae International |
| 8-4 140137B | 5/9 Secondary reference U.S. Government activity |
| SAE-J514 | 5/9 Secondary reference Sae International Dba Sae International |
| 1-2X1-4FF-B | 5/9 Secondary reference U.S. Government activity |
| SAE J514 8-4 140137B | 5/9 Secondary reference Sae International Dba Sae International |
| J514 | 5/9 Secondary reference U.S. Government activity |
| 8-4 140137B | 5/9 Secondary reference Sae International Dba Sae International |
| SAE-J514-3 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-017-5121 is a Nipple,pipe, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-017-5121 has 4 manufacturer part numbers on file: 1-2X1-4FF-B (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 23325X8X4 (Essex Brownell Inc. Div Essex Group Inc), 836-0502B6009-6 (Wheeler Fleet Solutions, Co.), SAE J514-3 8-4 140137B (Sae International Dba Sae International).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-642-9537. Verify interchangeability with system specifications before substitution.
Key specifications for 1-2X1-4FF-B: Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END. 16 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.