NSN 3040-01-321-8318 · NIIN 013218318 · Part number R1412 IT 21
Altra Industrial Motion Corp. · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 71041
Government record, cited
NSN 3040-01-321-8318 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-321-8318. Manufacturer of record part number: R1412 IT 21.
Also searched as3040-01-321-8318 ·
3040013218318 ·
NIIN 013218318 ·
01-321-8318 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 71041 · R1412 IT 21
External Keyway Length: 1.3750 INCHES NOMINAL FIRST END IN
First End Keyway Width: 0.2500 INCHES NOMINAL IN
1 manufacturer part number on file
Identification
NSN: 3040-01-321-8318
NIIN: 013218318
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: R1412 IT 21
Manufacturer: Altra Industrial Motion Corp.
General Description
The Shaft,straight, cataloged under National Stock Number 3040-01-321-8318, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 6 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3040-01-321-8318
Primary Part Number
R1412 IT 21
Item Name
Shaft,straight
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Other items in FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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3040-00-001-0046 · Item name not on file
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3040-00-001-0047 · Item name not on file
3040-00-001-0048
3040-00-001-0048 · Item name not on file
3040-00-001-0068
3040-00-001-0068 · Item name not on file
3040-00-001-0077
3040-00-001-0077 · Item name not on file
3040-00-001-0078
3040-00-001-0078 · Item name not on file
3040-00-001-0089
3040-00-001-0089 · Item name not on file
3040-00-001-1224
3040-00-001-1224 · Item name not on file
Frequently Asked Questions
What is NSN 3040-01-321-8318?
NSN 3040-01-321-8318 is a Shaft,straight, manufactured by Altra Industrial Motion Corp., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-321-8318?
NSN 3040-01-321-8318 has 1 manufacturer part number on file: R1412 IT 21 (Altra Industrial Motion Corp.).
What are the specifications of R1412 IT 21?
Key specifications for R1412 IT 21: First End Diameter: 1.2500 INCHES NOMINAL IN; First End Style: FLAT KEYWAY; First End Keyway Depth: 0.2500 INCHES NOMINAL IN; End Similarity: IDENTICAL. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-321-8318 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.