Shaft Hardness Rating: 53.0 ROCKWELL C MINIMUM AND 57.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
Surface Treatment: CADMIUM AND CHROMATE
Material: STEEL
Worm Thread Direction: RIGHT-HAND
Worm Pressure Angle in Deg: 14.500
Identification
NSN: 3040-00-968-8575
NIIN: 009688575
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Worm Shaft, cataloged under National Stock Number 3040-00-968-8575, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3040-00-968-8575
Item Name
Worm Shaft
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Status
ACTIVE
Teeth Hardness Rating
28.0 ROCKWELL C NOMINAL
End Similarity
NOT IDENTICAL
Shaft Hardness Rating
53.0 ROCKWELL C MINIMUM AND 57.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
Surface Treatment
CADMIUM AND CHROMATE
Material
STEEL
Worm Thread Direction
RIGHT-HAND
Worm Pressure Angle in Deg
14.500
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
W2F23720
3/9Design control — primary reference
Speco Corp
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 3040-00-968-8575?
NSN 3040-00-968-8575 is a Worm Shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What are the specifications of 3040-00-968-8575?
Key specifications for 3040-00-968-8575: Teeth Hardness Rating: 28.0 ROCKWELL C NOMINAL; End Similarity: NOT IDENTICAL; Shaft Hardness Rating: 53.0 ROCKWELL C MINIMUM AND 57.0 ROCKWELL C MAXIMUM LOCATION NOT OTHERWISE SPECIFIED; Surface Treatment: CADMIUM AND CHROMATE. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3040-00-968-8575 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.