Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
TERMINAL JUNCTION BLOCK,SECTIONA. Key specifications include material: PLASTIC BOARD, body_style: BARRIER TYPE, end_radius: 0.438 INCHES NOMINAL IN, fork_depth: 1.188 INCHES NOMINAL IN, shank_length: 0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, thread_class: 3A ROD CONNECTION A. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-068-2016, 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
MS21253
NSN:5340-00-068-2016 FSC:5340 CAGE:96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
material
PLASTIC BOARD
body_style
BARRIER TYPE
end_radius
0.438 INCHES NOMINAL IN
fork_depth
1.188 INCHES NOMINAL IN
shank_length
0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_class
3A ROD CONNECTION A
overall_width
0.745 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
thread_length
0.578 INCHES MINIMUM AND 0.672 INCHES MAXIMUM ROD CONNECTION IN
base_thickness
0.455 INCHES IN
shank_diameter
0.189 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
fork_span_width
0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
terminal_design
NONFEEDTHRU
NSN
5340-00-068-2016
COMPONENT DIAGRAM
KEY FEATURES
•
SHANK DIAMETER: 0.189 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.578 INCHES MINIMUM AND 0.672 INCHES MAXIMUM ROD CONNECTION IN
•
STYLE DESIGNATOR: CLEVIS
•
THREAD DIRECTION: RIGHT-HAND ROD CONNECTION
•
END RADIUS: 0.438 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
FORK ARM THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SHANK DIAMETER
0.189 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
THREAD LENGTH
0.578 INCHES MINIMUM AND 0.672 INCHES MAXIMUM ROD CONNECTION IN
STYLE DESIGNATOR
CLEVIS
OVERALL WIDTH
0.745 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
THREAD DIRECTION
RIGHT-HAND ROD CONNECTION
END RADIUS
0.438 INCHES NOMINAL IN
SURFACE TREATMENT
CADMIUM OVERALL
FORK ARM THICKNESS
0.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION
MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
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FREQUENTLY ASKED QUESTIONS
What is MS21253?
MS21253 is a TERMINAL JUNCTION BLOCK,SECTIONA.
What parts can replace MS21253?
There are 9 known substitutes for MS21253: MS21251B3S, 2810689, AN165-16RS and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21253?
MS21253 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-068-2016. This indicates validated use in U.S. government and defense supply chains.
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