The Nipple,pipe, cataloged under National Stock Number 4730-00-196-2018, 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 Fire Combat, Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-196-2018 |
| Primary Part Number | 02436-4.5 |
| Item Name | Nipple,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Fire Combat, Inc. |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Overall Length | 4.500 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | LONG |
| Material Document and Classification | ASTM B43 0R B42 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 0.953 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.990 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.250 INCHES ALL ENDS IN |
| Seat Angle | 30.0 DEGREES ALL ENDS |
| Specification/standard Data | 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Material | 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 |
| Part Number | Manufacturer |
|---|---|
| 015222T | Walbar Llc (USA) |
| 02436-4.5 PRIMARY | Fire Combat, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MS51846-123 | 5/9 Secondary reference U.S. Government activity |
| B687-123B | 5/2 Secondary reference U.S. Government activity |
| 02436 | D/9 Drawing number reference only Fire Combat, Inc. |
| WWN351 | 5/9 Secondary reference U.S. Government activity |
| 4730001962018 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| WWN351 | 5/9 Secondary reference U.S. Government activity |
| B687R-123B | 3/2 Design control — primary reference U.S. Government activity |
| MS51846-123 | 5/9 Secondary reference U.S. Government activity |
| ASTM-B687 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-00-196-2018 is a Nipple,pipe, manufactured by Fire Combat, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-196-2018 has 2 manufacturer part numbers on file: 015222T (Walbar Llc), 02436-4.5 (Fire Combat, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 7910-01-514-9875. Verify interchangeability with system specifications before substitution.
Key specifications for 02436-4.5: Connection Style: PLAIN (PIPE) ALL ENDS; Nominal Overall Length: 4.500 INCHES IN; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: LONG. 13 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.