The Shaft,straight, cataloged under National Stock Number 3040-01-346-1753, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is R G Rollin Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Shaft,straight |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | R G Rollin Co (CAGE 54752) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-346-1753 |
| Primary Part Number | KR780800 PIECE 12 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | R G Rollin Co |
| Status | ACTIVE |
| 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 |
|---|---|
| KR2238-12 | R G Rollin Co (USA) |
| KR780800 PIECE 12 PRIMARY | R G Rollin Co (USA) |
| Reference | Meaning |
|---|---|
| KR780800 | D/9 Drawing number reference only R G Rollin Co |
NSN 3040-01-346-1753 is a Shaft,straight, manufactured by R G Rollin Co, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-346-1753 has 2 manufacturer part numbers on file: KR2238-12 (R G Rollin Co), KR780800 PIECE 12 (R G Rollin Co).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-346-1754. Verify interchangeability with system specifications before substitution.
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.