NSN 3040-00-692-6257 · NIIN 006926257 · Part number 591KC111
Mack Trucks Inc Parts Opn · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 76040
Government record, cited
NSN 3040-00-692-6257 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-692-6257. Manufacturer of record part number: 591KC111.
Also searched as3040-00-692-6257 ·
3040006926257 ·
NIIN 006926257 ·
00-692-6257 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 76040 · 591KC111 · 8332772
Material Document and Classification: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE
End Similarity: IDENTICAL
Material: STEEL COMP 1118
2 manufacturer part numbers on file
Identification
NSN: 3040-00-692-6257
NIIN: 006926257
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 591KC111
Manufacturer: Mack Trucks Inc Parts Opn
General Description
The Shaft,straight, cataloged under National Stock Number 3040-00-692-6257, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Mack Trucks Inc Parts Opn. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3040-00-692-6257
Primary Part Number
591KC111
Item Name
Shaft,straight
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Mack Trucks Inc Parts Opn
Status
ACTIVE
FSC Application Data
1. TRANSMISSION SHIFTER SHAFT
First End Diameter
0.7430 INCHES NOMINAL IN
First End Style
PLAIN
Material Document and Classification
QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE
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 3040-00-692-6257?
NSN 3040-00-692-6257 is a Shaft,straight, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-00-692-6257?
NSN 3040-00-692-6257 has 2 manufacturer part numbers on file: 591KC111 (Mack Trucks Inc Parts Opn), 8332772 (U S Army Tank Automotive Command Amsta-Im-Mm).
What are the specifications of 591KC111?
Key specifications for 591KC111: FSC Application Data: 1. TRANSMISSION SHIFTER SHAFT; First End Diameter: 0.7430 INCHES NOMINAL IN; First End Style: PLAIN; Material Document and Classification: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3040-00-692-6257 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.