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2051G81-001 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SPACER,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, corner_shape: ROUND LEFT FLANGE BODY CORNER, overall_length: 1.6200 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGES BOTH ENDS, left_flange_width: 0.5000 INCHES NOMINAL IN, right_flange_width: 0.2400 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-01-266-2598, 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
2051G81-001
NSN: 5365-01-266-2598
FSC: 5365
CAGE: 17454 — TIMKEN GEARS & SERVICES INC. DIV PHILADELPHIA GEAR (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeROUND LEFT FLANGE BODY CORNER
overall_length1.6200 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGES BOTH ENDS
left_flange_width0.5000 INCHES NOMINAL IN
right_flange_width0.2400 INCHES NOMINAL IN
body_inside_diameter2.7600 INCHES NOMINAL IN
body_outside_diameter3.1200 INCHES NOMINAL IN
left_flange_outside_diameter3.2480 INCHES MINIMUM AND 3.2490 INCHES MAXIMUM IN
right_flange_outside_diameter3.2480 INCHES MINIMUM AND 3.2490 INCHES MAXIMUM IN
material_document_and_classificationB4A39P SCH160,CAGEC 01289 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5365-01-266-2598
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,SLEEVE TITLE COMPONENT PN 2051G81-001 MFR SPACER,SLEEVE
KEY FEATURES
•
RIGHT FLANGE OUTSIDE DIAMETER: 3.2480 INCHES MINIMUM AND 3.2490 INCHES MAXIMUM IN
•
RIGHT FLANGE WIDTH: 0.2400 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 3.1200 INCHES NOMINAL IN
•
LEFT FLANGE WIDTH: 0.5000 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 2.7600 INCHES NOMINAL IN
•
LEFT FLANGE OUTSIDE DIAMETER: 3.2480 INCHES MINIMUM AND 3.2490 INCHES MAXIMUM IN
•
CORNER SHAPE: ROUND LEFT FLANGE BODY CORNER
TECHNICAL CHARACTERISTICS (FLIS)
RIGHT FLANGE OUTSIDE DIAMETER3.2480 INCHES MINIMUM AND 3.2490 INCHES MAXIMUM IN
RIGHT FLANGE WIDTH0.2400 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.1200 INCHES NOMINAL IN
OVERALL LENGTH1.6200 INCHES NOMINAL IN
LEFT FLANGE WIDTH0.5000 INCHES NOMINAL IN
BODY INSIDE DIAMETER2.7600 INCHES NOMINAL IN
LEFT FLANGE OUTSIDE DIAMETER3.2480 INCHES MINIMUM AND 3.2490 INCHES MAXIMUM IN
CORNER SHAPEROUND LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE RIGHT FLANGE OUTSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES

No verified substitutes available.

LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2051G81-001?
2051G81-001 is a SPACER,SLEEVE.
What is the NSN for 2051G81-001?
2051G81-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-01-266-2598. 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: August 2026