Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.5000 INCHES NOMINAL IN, material: ALUMINUM STANDOFF, thread_class: 2B LEFT INTERNAL (INCLUDES THRU THREAD), thread_length: 0.3750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD, thread_direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD). This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-424-3005, 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
3174AS4631
NSN:5340-01-424-3005 FSC:5340 CAGE:30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
length
0.5000 INCHES NOMINAL IN
material
ALUMINUM STANDOFF
thread_class
2B LEFT INTERNAL (INCLUDES THRU THREAD)
thread_length
0.3750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
style_designator
LEFT INTERNAL AND RIGHT EXTERNAL THREAD
thread_direction
RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
surface_treatment
CHROMATE OVERALL
width_across_flats
0.1875 INCHES NOMINAL IN
nominal_thread_size
0.1380 INCHES RIGHT EXTERNAL IN
cross-sectional_shape
HEXAGON
right_projection_length
0.2500 INCHES NOMINAL IN
thread_quantity_per_inch
32 LEFT INTERNAL (INCLUDES THRU THREAD)
NSN
5340-01-424-3005
COMPONENT DIAGRAM
KEY FEATURES
•
THREAD DIRECTION: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
•
THREAD CLASS: 2A RIGHT EXTERNAL A
•
WIDTH ACROSS FLATS: 0.1875 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM STANDOFF
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
SURFACE TREATMENT: CHROMATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTION
RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD CLASS
2A RIGHT EXTERNAL A
WIDTH ACROSS FLATS
0.1875 INCHES NOMINAL IN
MATERIAL
ALUMINUM STANDOFF
THREAD CLASS
2B LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD SERIES DESIGNATOR
UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
STYLE DESIGNATOR
LEFT INTERNAL AND RIGHT EXTERNAL THREAD
SURFACE TREATMENT
CHROMATE OVERALL
THREAD SERIES DESIGNATOR
UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
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FREQUENTLY ASKED QUESTIONS
What is 3174AS4631?
3174AS4631 is a STANDOFF,THREADED,SPACING.
What parts can replace 3174AS4631?
There are 8 known substitutes for 3174AS4631: 25-504, 695-9530, B25-SCHED and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3174AS4631?
3174AS4631 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-424-3005. This indicates validated use in U.S. government and defense supply chains.
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