The Shaft,straight, cataloged under National Stock Number 3040-00-247-8913, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Dewey Electronics Corporation. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-247-8913 |
| Primary Part Number | 30987-1 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Dewey Electronics Corporation |
| Status | ACTIVE |
| First End Diameter | 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN |
| Second End Diameter | 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN |
| First End Style | CIRCULAR GROOVED |
| Material Document and Classification | MIL-S-7720,CONDITION A MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.2300 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.406 INCHES NOMINAL IN |
| Second End Groove Width | 0.0290 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.945 INCHES NOMINAL IN |
| First End Groove Diameter | 0.2300 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL COMP 303 |
| First End Groove Width | 0.0290 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 30987-1 PRIMARY | The Dewey Electronics Corporation (USA) |
NSN 3040-00-247-8913 is a Shaft,straight, manufactured by The Dewey Electronics Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-247-8913 has 1 manufacturer part number on file: 30987-1 (The Dewey Electronics Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 2990-00-432-0930, 5860-01-081-2838, 2530-01-129-8793. Verify interchangeability with system specifications before substitution.
Key specifications for 30987-1: First End Diameter: 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN; Second End Diameter: 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN; First End Style: CIRCULAR GROOVED; Material Document and Classification: MIL-S-7720,CONDITION A MIL SPEC SINGLE MATERIAL RESPONSE. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.