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 thread_class: 2B RIGHT INTERNAL, thread_direction: RIGHT-HAND RIGHT INTERNAL, width_across_flats: 0.313 INCHES NOMINAL IN, nominal_thread_size: 0.164 INCHES RIGHT INTERNAL IN, cross-sectional_shape: HEXAGON, cross-sectional_length: 0.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-411-8979, 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
SR4545-21-20
NSN:5340-00-411-8979 FSC:5340 CAGE:09017 — EDO (USA)
SPECIFICATIONS
thread_class
2B RIGHT INTERNAL
special_features
MATERIAL: STEEL COMP 303 OVERALL;SURFACE TREATMENT: PASSIVATE OVERALL;MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL;BEARING SURFACE TYPE: FLAT
thread_direction
RIGHT-HAND RIGHT INTERNAL
width_across_flats
0.313 INCHES NOMINAL IN
nominal_thread_size
0.164 INCHES RIGHT INTERNAL IN
cross-sectional_shape
HEXAGON
cross-sectional_length
0.625 INCHES NOMINAL IN
thread_quantity_per_inch
32 RIGHT INTERNAL
thread_series_designator
UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
NSN
5340-00-411-8979
COMPONENT DIAGRAM
KEY FEATURES
•
NOMINAL THREAD SIZE: 0.164 INCHES RIGHT INTERNAL IN
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
THREAD QUANTITY PER INCH: 32 RIGHT INTERNAL
•
CROSS-SECTIONAL LENGTH: 0.625 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
•
THREAD DIRECTION: RIGHT-HAND RIGHT INTERNAL
•
WIDTH ACROSS FLATS: 0.313 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE
0.164 INCHES RIGHT INTERNAL IN
CROSS-SECTIONAL SHAPE
HEXAGON
SPECIAL FEATURES
MATERIAL: STEEL COMP 303 OVERALL;SURFACE TREATMENT: PASSIVATE OVERALL;MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL;BEARING SURFACE TYPE: FLAT
THREAD QUANTITY PER INCH
32 RIGHT INTERNAL
CROSS-SECTIONAL LENGTH
0.625 INCHES NOMINAL IN
THREAD SERIES DESIGNATOR
UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is SR4545-21-20?
SR4545-21-20 is a STANDOFF,THREADED,SPACING.
What parts can replace SR4545-21-20?
There are 5 known substitutes for SR4545-21-20: 532353-628, SS6951-0632-2.500-01, 0N664167 and 2 more. Substitute compatibility should be verified for your specific system.
Is SR4545-21-20 still available?
SR4545-21-20 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.