The Nipple,pipe, cataloged under National Stock Number 4730-00-196-1971, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-196-1971 |
| Item Name | Nipple,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Overall Length | 6.000 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | LONG |
| Material Document and Classification | ASTMB43 OR B42 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.125 INCHES ALL ENDS IN |
| Specification/standard Data | 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Material | COPPER ALLOY 230 OR COPPER ALLOY OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 0CK40 | 5/9 Secondary reference Curtis-Toledo, Inc. |
| 190727 | 5/9 Secondary reference General Motors Corp |
| MS51846-18 | 5/9 Secondary reference Curtis-Toledo, Inc. |
| WW-N-351 | 5/9 Secondary reference U.S. Government activity |
| ASTM-B687 | 3/1 Design control — primary reference U.S. Government activity |
| MS51846-18 | 5/9 Secondary reference U.S. Government activity |
| B687R-18B | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-196-1971 is a Nipple,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 2530-01-010-1520, 5935-01-646-6760. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-196-1971: Connection Style: PLAIN (PIPE) ALL ENDS; Nominal Overall Length: 6.000 INCHES IN; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: LONG. 10 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.