NSN 3040-01-286-4371 · NIIN 012864371 · Part number 1891171
Northrop Grumman Systems Corporation · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 03956
Government record, cited
NSN 3040-01-286-4371 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-286-4371. Manufacturer of record part number: 1891171.
Also searched as3040-01-286-4371 ·
3040012864371 ·
NIIN 012864371 ·
01-286-4371 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 03956 · 1891171
First End Width Across Flats: 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
First End Diameter: 0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
First End Step Length: 1.468 INCHES NOMINAL IN
First End Style: SQUARE (ROUND CORNERS)
Material Document and Classification: QQ-S-440,COND A FED SPEC SINGLE MATERIAL RESPONSE
End Similarity: IDENTICAL
Material: STEEL
Identification
NSN: 3040-01-286-4371
NIIN: 012864371
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 1891171
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Shaft,straight, cataloged under National Stock Number 3040-01-286-4371, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. 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
3040-01-286-4371
Primary Part Number
1891171
Item Name
Shaft,straight
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer
Northrop Grumman Systems Corporation
Status
ACTIVE
First End Width Across Flats
0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
First End Diameter
0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
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 3040-01-286-4371?
NSN 3040-01-286-4371 is a Shaft,straight, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-286-4371?
NSN 3040-01-286-4371 has 1 manufacturer part number on file: 1891171 (Northrop Grumman Systems Corporation).
What are the specifications of 1891171?
Key specifications for 1891171: First End Width Across Flats: 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN; First End Diameter: 0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN; First End Step Length: 1.468 INCHES NOMINAL IN; First End Style: SQUARE (ROUND CORNERS). 7 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-286-4371 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.