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Technical Data Sheet
PartsTable / COMPONENT / 265850
265850 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The PLATE,RETAINING,SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: INTERNAL, usage_design: INTERNAL, major_thickness: 0.062 INCHES NOMINAL IN, outside_diameter: 1.998 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-382-5911, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
265850
NSN: 3040-00-382-5911
FSC: 3040
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.062 INCHES NOMINAL IN
outside_diameter1.998 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationFED-STD 66,NO. 1066 THRU 1090 FED STD SINGLE MATERIAL RESPONSE
NSN3040-00-382-5911
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLATE,RETAINING,SHAFT TITLE COMPONENT PN 265850 MFR PLATE,RETAINING,SHAFT
KEY FEATURES
•
THICKNESS: 0.042 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.125 INCHES NOMINAL IN
•
MOUNTING HOLE QUANTITY: 3
•
APERTURE DIAMETER: 0.516 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.141 INCHES NOMINAL IN
•
SHAPE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.042 INCHES NOMINAL IN
OUTSIDE DIAMETER1.125 INCHES NOMINAL IN
MOUNTING HOLE QUANTITY3
END ITEM IDENTIFICATIONGUN SIGHT MK29
APERTURE DIAMETER0.516 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.141 INCHES NOMINAL IN
SHAPEROUND
SPECIAL FEATURESMTG HOLE SPACING: EQUALLY SPACED ON 0.875 IN. DIA CIRCLE IN
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
3000X185STInterchangeable
interchangeable cross-reference
interchangeable
N1300-185Interchangeable
interchangeable cross-reference
interchangeable
S204Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 265850?
265850 is a PLATE,RETAINING,SHAFT.
What parts can replace 265850?
There are 3 known substitutes for 265850: 3000X185ST, N1300-185, S204. Substitute compatibility should be verified for your specific system.
What is the NSN for 265850?
265850 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-382-5911. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026