The Shaft,shouldered, cataloged under National Stock Number 3040-01-187-2104, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Millipart, Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-187-2104 |
| Primary Part Number | 245421 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Millipart, Inc |
| Status | ACTIVE |
| Second End Style | EXTERNAL THREADED |
| Step Quantity | 5 |
| Material | STEEL CORROSION RESISTING |
| Largest Step Diameter | 0.250 INCHES NOMINAL IN |
| First End Internal Thread Length | 0.350 INCHES NOMINAL IN |
| FSC Application Data | DETECTING-RANGING SET AN/AAS-38 |
| Second End External Thread Length | 0.325 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Material Document and Classification | QQ-S-763,CLASS 304L,COND A FED SPEC SINGLE MATERIAL RESPONSE |
| First End Diameter | 0.2500 INCHES NOMINAL IN |
| First End Style | INTERNAL THREADED |
| Second End Diameter | 0.1120 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3040-01-187-2104 is a Shaft,shouldered, manufactured by Millipart, Inc, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-01-187-2104 has 2 cross-referenced part numbers: 245421 (Lockheed Martin Corp Electronics and Missiles Div), 245421 (Millipart, Inc).
There is 1 known substitute for 3040-01-187-2104: 5330-00-353-2771. Verify interchangeability with system specifications before substitution.
Key specifications for 245421: Second End Style: EXTERNAL THREADED; Step Quantity: 5; Material: STEEL CORROSION RESISTING; Largest Step Diameter: 0.250 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.