FSC Application Data: VEHICULAR POWER TRANSNISSION
Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
Joint Style: INTERLOCKING JOINT
Radial Wall Thickness: 0.0800 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN
Ring Style: CONCENTRIC
Standard Bore Diameter: 2.000 INCHES IN
Material: IRON OVERALL
Identification
NSN: 3040-00-818-1771
NIIN: 008181771
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Ring,piston, cataloged under National Stock Number 3040-00-818-1771, 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7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
3040-00-818-1771
Item Name
Ring,piston
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Status
ACTIVE
FSC Application Data
VEHICULAR POWER TRANSNISSION
Cross-Sectional Shape Style
PLAIN RECTANGULAR, STRAIGHT FACE
Joint Style
INTERLOCKING JOINT
Radial Wall Thickness
0.0800 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN
Ring Style
CONCENTRIC
Standard Bore Diameter
2.000 INCHES IN
Material
IRON OVERALL
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
35A993
3/9Design control — primary reference
U.S. Government activity
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 3040-00-818-1771?
NSN 3040-00-818-1771 is a Ring,piston, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What are the specifications of 3040-00-818-1771?
Key specifications for 3040-00-818-1771: FSC Application Data: VEHICULAR POWER TRANSNISSION; Overall Width: 0.0925 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: INTERLOCKING JOINT. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3040-00-818-1771 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.