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2R2649 — STAY,LOCKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2R2649: STAY,LOCKING.

The STAY,LOCKING is a the manufacturer industrial component. Key specifications include material: STEEL, overall_width: 0.632 INCHES NOMINAL IN, overall_length: 7.188 INCHES NOMINAL IN, special_features: PUSH-BUTTON W/SPRING LEAF LOCK-RELEASE FEATURE, style_designator: FRICTION TYPE, surface_treatment: CADMIUM. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-402-5400, 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
2R2649
NSN: 5340-00-402-5400
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL
overall_width0.632 INCHES NOMINAL IN
overall_length7.188 INCHES NOMINAL IN
special_featuresPUSH-BUTTON W/SPRING LEAF LOCK-RELEASE FEATURE
style_designatorFRICTION TYPE
surface_treatmentCADMIUM
material_thickness0.125 INCHES NOMINAL IN
mounting_hole_typePLAIN
operational_directionRIGHT-HAND
mounting_hole_diameter0.195 INCHES NOMINAL IN
end_item_identificationTRACTOR, FULL TRACK
NSN5340-00-402-5400
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2R2649 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OPERATIONAL DIRECTION: RIGHT-HAND
•
STYLE DESIGNATOR: FRICTION TYPE
•
MOUNTING HOLE DIAMETER: 0.195 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM
TECHNICAL CHARACTERISTICS
OPERATIONAL DIRECTIONRIGHT-HAND
STYLE DESIGNATORFRICTION TYPE
MOUNTING HOLE DIAMETER0.195 INCHES NOMINAL IN
OVERALL LENGTH7.188 INCHES NOMINAL IN
OVERALL WIDTH0.632 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
SPECIAL FEATURESPUSH-BUTTON W/SPRING LEAF LOCK-RELEASE FEATURE
SURFACE TREATMENTCADMIUM
END ITEM IDENTIFICATIONTRACTOR, FULL TRACK
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
4461-2RHReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2R2649?
2R2649 is a STAY,LOCKING.
What parts can replace 2R2649?
There is 1 known substitute for 2R2649: 4461-2RH. Substitute compatibility should be verified for your specific system.
What is the NSN for 2R2649?
2R2649 is cataloged in the U.S. Government catalog under NSN 5340-00-402-5400. This indicates validated use in U.S. government and defense supply chains.
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