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2AT636 ✓ 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 SPACER,RING is a the manufacturer industrial component. Key specifications include outside_diameter: 2.688 INCHES NOMINAL IN, features_provided: CASEHARDENED, overall_thickness: 0.1927 INCHES MINIMUM AND 0.1933 INCHES MAXIMUM IN, end_item_identification: MRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 5 OTHER WEAPON SYSTEMS.. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-01-161-2791, 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
2AT636
NSN: 5365-01-161-2791
FSC: 5365
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
outside_diameter2.688 INCHES NOMINAL IN
features_providedCASEHARDENED
overall_thickness0.1927 INCHES MINIMUM AND 0.1933 INCHES MAXIMUM IN
end_item_identificationMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 5 OTHER WEAPON SYSTEMS.
NSN5365-01-161-2791
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN 2AT636 MFR SPACER,RING
KEY FEATURES
•
OVERALL THICKNESS: 0.1927 INCHES MINIMUM AND 0.1933 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.688 INCHES NOMINAL IN
•
FEATURES PROVIDED: CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL THICKNESS0.1927 INCHES MINIMUM AND 0.1933 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.688 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 5 OTHER WEAPON SYSTEMS.
FEATURES PROVIDEDCASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
GGG-D-751Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYBCL1Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
98718Interchangeable
interchangeable cross-reference
interchangeable
098718Interchangeable
interchangeable cross-reference
interchangeable
91718Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2AT636?
2AT636 is a SPACER,RING.
What parts can replace 2AT636?
There are 6 known substitutes for 2AT636: GGG-D-751, GGG-D-751 TYBCL1, B94.11M and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2AT636?
2AT636 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-01-161-2791. 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