Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
ACTUATOR,ELECTRO-MECHANICAL,LINE. Key specifications include material: TIN ALLOY, seat_angle: 45.0 DEGREES ALL ENDS, thread_class: 2B ALL ENDS, connection_type: THREADED INTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS, special_features: REPLACEMENT CROWNS FOR UPPER RIGHT FIRST BICUSPID. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-237-7016, 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
U4-8
NSN:5330-00-237-7016 FSC:5330 CAGE:25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
material
TIN ALLOY
seat_angle
45.0 DEGREES ALL ENDS
thread_class
2B ALL ENDS
connection_type
THREADED INTERNAL TUBE ALL ENDS
connection_style
FLARED (TUBE) ALL ENDS
special_features
REPLACEMENT CROWNS FOR UPPER RIGHT FIRST BICUSPID
style_designator
PLAIN W/OFFSET GROOVE
nominal_thread_size
0.750 INCHES ALL ENDS IN
tooth_configuration
BICUSPID
nominal_overall_length
1.440 INCHES IN
supplementary_features
CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
thread_series_designator
UNF ALL ENDS
NSN
5330-00-237-7016
COMPONENT DIAGRAM
KEY FEATURES
•
SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TECHNICAL CHARACTERISTICS (FLIS)
SUPPLEMENTARY FEATURES
CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURES
STYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
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FREQUENTLY ASKED QUESTIONS
What is U4-8?
U4-8 is a ACTUATOR,ELECTRO-MECHANICAL,LINE.
What parts can replace U4-8?
There are 5 known substitutes for U4-8: U4-8, 660FHD-8, A-387 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U4-8?
U4-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-237-7016. This indicates validated use in U.S. government and defense supply chains.
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