Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, thread_class: 3A A, thread_length: 1.000 INCHES NOMINAL IN, mounting_method: PIN(S), style_designator: KNURLED NO. 2, thread_direction: RIGHT-HAND.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-340-4131, 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
M85731-15
NSN:5340-00-340-4131 FSC:5340 CAGE:81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
material
UNABLE TO DECODE
thread_class
3A A
thread_length
1.000 INCHES NOMINAL IN
mounting_method
PIN(S)
style_designator
KNURLED NO. 2
thread_direction
RIGHT-HAND
nominal_thread_size
0.250 INCHES IN
thread_quantity_per_inch
28
thread_series_designator
UNF
NSN
5340-00-340-4131
COMPONENT DIAGRAM
KEY FEATURES
•
REVERSIBLE FEATURE: NOT INCLUDED
•
MOUNTING HOLE DIAMETER: 0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
•
KNUCKLE LENGTH: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BUTT PARALLEL HOLES
•
KNUCKLE TYPE: FRICTION
•
HINGE PIN: NOT INCLUDED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
REVERSIBLE FEATURE
NOT INCLUDED
MOUNTING HOLE DIAMETER
0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
KNUCKLE LENGTH
0.125 INCHES NOMINAL IN
STYLE DESIGNATOR
BUTT PARALLEL HOLES
KNUCKLE TYPE
FRICTION
HINGE PIN
NOT INCLUDED
MATERIAL DOCUMENT AND CLASSIFICATION
AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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FREQUENTLY ASKED QUESTIONS
What is M85731-15?
M85731-15 is a LEAF,BUTT HINGE.
What parts can replace M85731-15?
There are 24 known substitutes for M85731-15: MIL-F-85731, M85731/1-18, MS14108-18 and 21 more. Substitute compatibility should be verified for your specific system.
Is M85731-15 still available?
M85731-15 is currently cancelled.
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