The Nipple,pipe, cataloged under National Stock Number 4730-00-196-1973, 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 Danfoss Power Solutions II, Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 24 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-196-1973 |
| Primary Part Number | 3329X4 |
| Item Name | Nipple,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | CANCELLED |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Overall Length | 2.500 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | LONG |
| Material Document and Classification | ASTM A43 OR A42 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Specification/standard Data | 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE STD ALL ENDS |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Material | COPPER ALLOY 230 OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3329X4 | Danfoss Power Solutions II, Llc (USA) |
| 4568K134 | Mcmaster-Carr Supply Co (USA) |
| 0919687-4 | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 25060-34-22 | 5/9 Secondary reference U.S. Government activity |
| G243714-2 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 113B1-4X2-1-2 | 5/9 Secondary reference Imperial |
| 35848 | 5/9 Secondary reference Acco-Babcock Inc Material Handling Group |
| 144598 | 5/9 Secondary reference General Motors Corp |
| 8611895-1 | 5/1 Secondary reference U.S. Government activity |
| 4730001961973 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 3329-4 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| ASTM B687R-28B | 3/2 Design control — primary reference U.S. Government activity |
| 78637 | 5/9 Secondary reference American Plumbing Specialties Co., Inc. |
| MS51846-2B | E/8 Replaced / superseded reference U.S. Government activity |
| 9007535 | 5/1 Secondary reference Us Army Aviation and Missile Command |
| 1/4-2 1/2-115 | 5/9 Secondary reference U.S. Government activity |
| 3329X4 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| ASTM-B687 | 3/1 Design control — primary reference U.S. Government activity |
| 115HX02501 | 5/9 Secondary reference U.S. Government activity |
| MS51846 | E/8 Replaced / superseded reference U.S. Government activity |
| 215PNL4-25 | 5/2 Secondary reference U.S. Government activity |
| 11B4521015 | 7/2 Vendor item drawing reference Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
| WWN351 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-196-1973 is a Nipple,pipe, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: cancelled.
NSN 4730-00-196-1973 has 3 manufacturer part numbers on file: 3329X4 (Danfoss Power Solutions II, Llc), 4568K134 (Mcmaster-Carr Supply Co), 0919687-4 (Kalmar AC Inc).
7 possible matches (shared part number, not a government interchangeability claim): 4730-00-196-1986, 4730-00-196-2011, 4730-00-196-2013. Verify interchangeability with system specifications before substitution.
Key specifications for 3329X4: Connection Style: PLAIN (PIPE) ALL ENDS; Nominal Overall Length: 2.500 INCHES IN; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: LONG. 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.
NSN 4730-00-196-1973 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.