The Shaft,straight, cataloged under National Stock Number 3040-00-335-9912, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Litton Systems Inc Itek Optical Systems Div. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-335-9912 |
| Primary Part Number | B21461 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Litton Systems Inc Itek Optical Systems Div |
| Status | ACTIVE |
| Material | STEEL COMP 303 |
| First End Style | PLAIN |
| Surface Finish | 16.0 MICROINCHES |
| First End Diameter | 0.2500 INCHES NOMINAL IN |
| End Similarity | IDENTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B21461 | Litton Systems Inc Itek Optical Systems Div (USA) |
| 206-11644 | Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA) |
| 57601 | Arma Div Ambac Industries Inc |
| 206-333 | Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA) |
| 979-1A408 | Advanced Logic Resources Inc Dba Alr (USA) |
| 979-1A408 | Gap Instrument Corp (USA) |
| R11644 | Seeburg Corp the Seeburg Products Div (USA) |
NSN 3040-00-335-9912 is a Shaft,straight, manufactured by Litton Systems Inc Itek Optical Systems Div, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-00-335-9912 has 7 cross-referenced part numbers: B21461 (Litton Systems Inc Itek Optical Systems Div), 206-11644 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 57601 (Arma Div Ambac Industries Inc), 206-333 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 979-1A408 (Advanced Logic Resources Inc Dba Alr) and 2 more.
There are 5 known substitutes for 3040-00-335-9912: 3020-00-152-8344, 4720-00-203-3912, 5360-01-107-2537 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for B21461: Material: STEEL COMP 303; First End Style: PLAIN; Surface Finish: 16.0 MICROINCHES; Overall Length: 2.156 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.