The Ring,piston, cataloged under National Stock Number 3040-00-487-3014, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-487-3014 |
| Primary Part Number | M1904J |
| Item Name | Ring,piston |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Material | IRON OVERALL |
| Surface Treatment | TIN OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Standard Bore Diameter | 1.824 INCHES IN |
| Ring Style | CONCENTRIC |
| Joint Style | INTERLOCKING JOINT |
| Radial Wall Thickness | 0.0830 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21TD360 | Oshkosh Corp (USA) |
| 21TD360 | Oshkosh Defense Llc (USA) |
| 34150 | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA) |
| M1904J PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 156732 | Hyster-Yale Group, Inc. (USA) |
| 336593R1 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| R20042 | Mcquay-Norris Inc Oem Div an Skf Industries Co |
| 336593R1 | Komatsu American Intl Co (USA) |
NSN 3040-00-487-3014 is a Ring,piston, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-00-487-3014 has 8 cross-referenced part numbers: 21TD360 (Oshkosh Corp), 21TD360 (Oshkosh Defense Llc), 34150 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), M1904J (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 156732 (Hyster-Yale Group, Inc.) and 3 more.
There are 7 known substitutes for 3040-00-487-3014: 5940-00-043-3108, 3110-00-155-6200, 5999-00-552-4824 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for M1904J: Material: IRON OVERALL; Surface Treatment: TIN OVERALL; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Overall Width: 0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.