The Shaft,shouldered, cataloged under National Stock Number 3040-01-188-8580, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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 | 3040-01-188-8580 |
| Primary Part Number | 704021 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| First End Style | PLAIN |
| Second End Style | FLAT KEYWAY |
| Material | STEEL |
| Second End Keyway Width | 0.3750 INCHES NOMINAL IN |
| First End Diameter | 1.5748 INCHES NOMINAL IN |
| External Keyway Length | 2.625 INCHES NOMINAL SECOND END IN |
| Second End Keyway Depth | 0.219 INCHES NOMINAL IN |
| Step Quantity | 4 |
| Largest Step Diameter | 1.750 INCHES NOMINAL IN |
| Second End Diameter | 1.5000 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| E-3942 | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| E-3942 ITEM 125 | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| 704021 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
NSN 3040-01-188-8580 is a Shaft,shouldered, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-01-188-8580 has 3 cross-referenced part numbers: E-3942 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-3942 ITEM 125 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 704021 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).
There are 7 known substitutes for 3040-01-188-8580: 4820-00-287-5617, 3020-01-061-0404, 3040-01-061-0481 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 704021: First End Style: PLAIN; Second End Style: FLAT KEYWAY; Material: STEEL; Second End Keyway Width: 0.3750 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.