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Technical Data Sheet

521026/511052 — LOCK SET,RIM

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

521026/511052: LOCK SET,RIM.

The LOCK SET,RIM is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR BAR, operation_method: RELEASE BAR ON OUTSIDE BAR, style_designator: RECTANGULAR, specification/standard_data: 81348-FF-L-2890B GOVERNMENT SPECIFICATION, part_name_assigned_by_controlling_agency: HIGH SECURITY PEDESTRIAN EXIT DEVICE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-678-6291, 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
521026/511052
NSN: 5340-01-678-6291
FSC: 5340 — Hardware, Commercial
CAGE: 0SYN7 — KABA MAS LLC (USA)
SPECIFICATIONS
shapeRECTANGULAR BAR
operation_methodRELEASE BAR ON OUTSIDE BAR
special_featuresINCLUDES X-10,CDX BASE PLATE (521031) TYPE 2 STRIKE,F9300 FIRE RATED RIM EXIT DEVICE,STRIKE AND ELECTRIFIED OUTSIDE LEVER TRIM
style_designatorRECTANGULAR
specification/standard_data81348-FF-L-2890B GOVERNMENT SPECIFICATION
part_name_assigned_by_controlling_agencyHIGH SECURITY PEDESTRIAN EXIT DEVICE
NSN5340-01-678-6291
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 521026/511052 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
•
STYLE DESIGNATOR: RECTANGULAR
•
SHAPE: RECTANGULAR BAR
•
SPECIFICATION/STANDARD DATA: 81348-FF-L-2890B GOVERNMENT SPECIFICATION
•
OPERATION METHOD: RELEASE BAR ON OUTSIDE BAR
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECTANGULAR
SHAPERECTANGULAR BAR
SPECIFICATION/STANDARD DATA81348-FF-L-2890B GOVERNMENT SPECIFICATION
SPECIAL FEATURESINCLUDES X-10,CDX BASE PLATE (521031) TYPE 2 STRIKE,F9300 FIRE RATED RIM EXIT DEVICE,STRIKE AND ELECTRIFIED OUTSIDE LEVER TRIM
PART NAME ASSIGNED BY CONTROLLING AGENCYHIGH SECURITY PEDESTRIAN EXIT DEVICE
OPERATION METHODRELEASE BAR ON OUTSIDE BAR
SUBSTITUTES & CROSS-REFERENCES 3
FF-L-2890B TY IV ST2Reference document
Same NSN cross-reference
Reference document — Secondary reference
FF-L-2890Reference document
Same NSN cross-reference
Reference document — Identification reference
FF-L-2890BReference 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 521026/511052?
521026/511052 is a LOCK SET,RIM.
What parts can replace 521026/511052?
There are 3 known substitutes for 521026/511052: FF-L-2890B TY IV ST2, FF-L-2890, FF-L-2890B. Substitute compatibility should be verified for your specific system.
What is the NSN for 521026/511052?
521026/511052 is cataloged in the U.S. Government catalog under NSN 5340-01-678-6291. This indicates validated use in U.S. government and defense supply chains.
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