PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

511961PC10Collar,shaft

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3040-00-256-2773 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-256-2773 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-256-2773. Primary manufacturer part number: 511961PC10.
Features
  • Collar,shaft — FSC 3040
  • Bore Diameter: 0.5625 INCHES MINIMUM AND 0.5632 INCHES MAXIMUM IN
  • Material: STEEL
  • Style Designator: PLAIN ROUND
  • Material Document and Classification: QQ-S-633/CANC) FED SPEC SINGLE MATERIAL RESPONSE
  • Surface Treatment: PHOSPHATE
  • Securing Hole Type and Location: TAPER PIN PILOT SINGLE HOLE
  • Tapered Pin Size Accommodated and Location: 0 SINGLE HOLE
Applications
  • Applications requiring Steel construction
General Description

The Collar,shaft, cataloged under National Stock Number 3040-00-256-2773, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-256-2773
Primary Part Number511961PC10
Item NameCollar,shaft
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Bore Diameter0.5625 INCHES MINIMUM AND 0.5632 INCHES MAXIMUM IN
MaterialSTEEL
Style DesignatorPLAIN ROUND
Material Document and ClassificationQQ-S-633/CANC) FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentPHOSPHATE
Securing Hole Type and LocationTAPER PIN PILOT SINGLE HOLE
Tapered Pin Size Accommodated and Location0 SINGLE HOLE
Thickness0.500 INCHES NOMINAL IN
Outside Diameter1.000 INCHES NOMINAL IN
Securing Hole Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-00-504-5390DS8820AN INTERCHANGEABLE
Microcircuit,digital
National Semiconductor Corporation
Cross-Reference Index
Part NumberManufacturer
511961PC10 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
511961 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5962-00-504-5390INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
DS8820AN

Frequently Asked Questions

What is NSN 3040-00-256-2773?

NSN 3040-00-256-2773 is a Collar,shaft, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-256-2773?

NSN 3040-00-256-2773 has 2 cross-referenced part numbers: 511961PC10 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 511961 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3040-00-256-2773?

There is 1 known substitute for 3040-00-256-2773: 5962-00-504-5390. Verify interchangeability with system specifications before substitution.

What are the specifications of 511961PC10?

Key specifications for 511961PC10: Bore Diameter: 0.5625 INCHES MINIMUM AND 0.5632 INCHES MAXIMUM IN; Material: STEEL; Style Designator: PLAIN ROUND; Material Document and Classification: QQ-S-633/CANC) FED SPEC SINGLE MATERIAL RESPONSE. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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