The Shaft,shouldered, cataloged under National Stock Number 3040-00-690-0381, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Arma Div Ambac Industries Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-690-0381 |
| Primary Part Number | 61949 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Arma Div Ambac Industries Inc |
| Status | ACTIVE |
| Material | STEEL |
| End Similarity | NOT IDENTICAL |
| Step Quantity | 1 |
| Second End Diameter | 0.3750 INCHES NOMINAL IN |
| Second End Style | PLAIN |
| Surface Finish | 16.0 MICROINCHES |
| Largest Step Diameter | 0.375 INCHES NOMINAL IN |
| First End Style | PLAIN |
| First End Diameter | 0.3130 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 61949 | Arma Div Ambac Industries Inc |
| B21136 | Litton Systems Inc Itek Optical Systems Div (USA) |
| 206-211 | Litton Systems Inc Amecom Div (USA) |
| 206-211 | Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA) |
| 979-1A150 | Advanced Logic Resources Inc Dba Alr (USA) |
| 979-1A150 | Gap Instrument Corp (USA) |
NSN 3040-00-690-0381 is a Shaft,shouldered, manufactured by Arma Div Ambac Industries Inc, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-00-690-0381 has 6 cross-referenced part numbers: 61949 (Arma Div Ambac Industries Inc), B21136 (Litton Systems Inc Itek Optical Systems Div), 206-211 (Litton Systems Inc Amecom Div), 206-211 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 979-1A150 (Advanced Logic Resources Inc Dba Alr) and 1 more.
There are 6 known substitutes for 3040-00-690-0381: 2990-00-089-2079, 2995-00-471-3685, 5930-00-548-5484 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 61949: Overall Length: 2.000 INCHES NOMINAL IN; Material: STEEL; End Similarity: NOT IDENTICAL; Step Quantity: 1. 10 total characteristics are documented in the Federal Logistics Information System.