NSN 3040-01-088-9401 · NIIN 010889401 · Part number 12256551
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 19207
Government record, cited
NSN 3040-01-088-9401 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-088-9401. Manufacturer of record part number: 12256551.
Also searched as3040-01-088-9401 ·
3040010889401 ·
NIIN 010889401 ·
01-088-9401 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 19207 · 12256551
First End Diameter: 0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
First End Distance From Keyway Center to End: 0.5620 INCHES NOMINAL IN
First End Style: WOODRUFF KEYWAY
End Similarity: IDENTICAL
Material: STEEL COMP 4140
External Keyway Length: 1.0000 INCHES MINIMUM AND 1.0200 INCHES MAXIMUM FIRST END IN
First End Keyway Width: 0.2487 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN
Identification
NSN: 3040-01-088-9401
NIIN: 010889401
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 12256551
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description
The Shaft,straight, cataloged under National Stock Number 3040-01-088-9401, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 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
3040-01-088-9401
Primary Part Number
12256551
Item Name
Shaft,straight
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
U S Army Tank Automotive Command Amsta-Im-Mm
Status
ACTIVE
First End Diameter
0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
First End Distance From Keyway Center to End
0.5620 INCHES NOMINAL IN
First End Style
WOODRUFF KEYWAY
End Similarity
IDENTICAL
Material
STEEL COMP 4140
External Keyway Length
1.0000 INCHES MINIMUM AND 1.0200 INCHES MAXIMUM FIRST END IN
First End Keyway Width
0.2487 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
No interchangeability data on file.
Other items in FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046
3040-00-001-0046 · Item name not on file
3040-00-001-0047
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 3040-01-088-9401?
NSN 3040-01-088-9401 is a Shaft,straight, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-088-9401?
NSN 3040-01-088-9401 has 1 manufacturer part number on file: 12256551 (U S Army Tank Automotive Command Amsta-Im-Mm).
What are the specifications of 12256551?
Key specifications for 12256551: First End Diameter: 0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN; First End Distance From Keyway Center to End: 0.5620 INCHES NOMINAL IN; First End Style: WOODRUFF KEYWAY; Overall Length: 7.125 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-088-9401 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.