The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.4550 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN, material: STEEL COMP 303 STANDOFF, thread_class: 2B LEFT INTERNAL (INCLUDES THRU THREAD), thread_length: 0.4500 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN, style_designator: PROJECTION ONE END, thread_direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD). This part is cataloged in the U.S.
Government catalog under NSN 5340-01-459-0156, 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
3551-A-440-SS-20
NSN:5340-01-459-0156 FSC:5340 — Hardware, Commercial CAGE:55566 — MATTHEW WARREN, INC DBA RAF ELECTRONIC HARDWARE DIV RAF ELECTRONIC HARDWARE, LLC (USA)
SPECIFICATIONS
length
0.4550 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN
material
STEEL COMP 303 STANDOFF
thread_class
2B LEFT INTERNAL (INCLUDES THRU THREAD)
thread_length
0.4500 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
style_designator
PROJECTION ONE END
thread_direction
RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
surface_treatment
PASSIVATE STANDOFF
width_across_flats
0.2500 INCHES NOMINAL IN
nominal_thread_size
0.1120 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
cross-sectional_shape
HEXAGON
right_projection_length
0.0720 INCHES MINIMUM AND 0.0780 INCHES MAXIMUM IN
thread_quantity_per_inch
40 LEFT INTERNAL (INCLUDES THRU THREAD)
NSN
5340-01-459-0156
COMPONENT DIAGRAM
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.2500 INCHES NOMINAL IN
•
LENGTH: 0.4550 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE STANDOFF
•
THREAD LENGTH: 0.4500 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
STYLE DESIGNATOR: PROJECTION ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF
•
THREAD DIRECTION: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
•
NOMINAL THREAD SIZE: 0.1120 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS
0.2500 INCHES NOMINAL IN
LENGTH
0.4550 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE STANDOFF
THREAD LENGTH
0.4500 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
STYLE DESIGNATOR
PROJECTION ONE END
MATERIAL DOCUMENT AND CLASSIFICATION
ASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF
THREAD DIRECTION
RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE
0.1120 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
CROSS-SECTIONAL SHAPE
HEXAGON
SURFACE TREATMENT
PASSIVATE STANDOFF
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 3551-A-440-SS-20?
3551-A-440-SS-20 is a STANDOFF,THREADED,SPACING.
What parts can replace 3551-A-440-SS-20?
There are 2 known substitutes for 3551-A-440-SS-20: 9630A-SS-0440, 015-3723-340. Substitute compatibility should be verified for your specific system.
What is the NSN for 3551-A-440-SS-20?
3551-A-440-SS-20 is cataloged in the U.S. Government catalog under NSN 5340-01-459-0156. This indicates validated use in U.S. government and defense supply chains.
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