Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The SWITCH SUBASSEMBLY is a the manufacturer industrial component. Key specifications include color: BLACK, length: 4.562 INCHES NOMINAL EFFECTIVE FREE LENGTH IN, diameter: 0.281 INCHES NOMINAL MOUNTING HOLE IN, handle_type: TEE, overall_length: 3.410 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN, overall_diameter: 2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM 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 5340-00-521-5371, 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
521537-1
NSN:5340-00-521-5371 FSC:5340 CAGE:19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
color
BLACK
length
4.562 INCHES NOMINAL EFFECTIVE FREE LENGTH IN
diameter
0.281 INCHES NOMINAL MOUNTING HOLE IN
handle_type
TEE
overall_length
3.410 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN
overall_diameter
2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN
special_features
WEAPON SYSTEM ESSENTIAL
engaging_end_type
CAM
features_provided
ADJUSTABLE
mounting_end_type
PLATE
mounting_configuration
MTG HOLES SPACED 1.438 IN. APART IN
mounting_hole_quantity
2
NSN
5340-00-521-5371
COMPONENT DIAGRAM
KEY FEATURES
•
MOUNTING POSITION FOR WHICH DESIGNED: UNIVERSAL
•
COLOR: BLACK
•
LENGTH: 4.562 INCHES NOMINAL EFFECTIVE FREE LENGTH IN
•
MOUNTING HOLE QUANTITY: 2
•
HANDLE TYPE: TEE
•
ENGAGING END TYPE: CAM
•
FEATURES PROVIDED: ADJUSTABLE
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING POSITION FOR WHICH DESIGNED
UNIVERSAL
COLOR
BLACK
SPECIAL FEATURES
PAINT FEATURE INCLUDED;EFFECT. EXTENDED LGTH 5.187 IN. NOM;CATCH-NOT INCLUDED IN
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FREQUENTLY ASKED QUESTIONS
What is 521537-1?
521537-1 is a SWITCH SUBASSEMBLY.
What parts can replace 521537-1?
There are 22 known substitutes for 521537-1: 6515NCM251318, 1682974, 343103 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 521537-1?
521537-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-521-5371. This indicates validated use in U.S. government and defense supply chains.
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