The NUT,UNION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: ROUND, nut_height: 1.250 INCHES NOMINAL IN, nut_diameter: 2.500 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNS. This part is cataloged in the U.S.
Government catalog under NSN 4730-01-203-8702, 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
4666P
NSN:4730-01-203-8702 FSC:4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings CAGE:93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
material
STEEL OVERALL
nut_style
ROUND
nut_height
1.250 INCHES NOMINAL IN
nut_diameter
2.500 INCHES NOMINAL IN
thread_class
2B
thread_series
UNS
shoulder_width
0.188 INCHES NOMINAL IN
thread_direction
RIGHT-HAND
nominal_thread_size
2.125 INCHES IN
shoulder_step_width
0.438 INCHES NOMINAL IN
drilled_hole_diameter
0.312 INCHES NOMINAL IN
hole_type_and_quantity
3 DRILLED
NSN
4730-01-203-8702
COMPONENT DIAGRAM
KEY FEATURES
•
SHOULDER STEP WIDTH: 0.438 INCHES NOMINAL IN
•
SHOULDER WIDTH: 0.188 INCHES NOMINAL IN
•
THREAD SERIES: UNS
•
HOLE CONFIGURATION STYLE: CONFIGURATION F
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 2.125 INCHES IN
•
NUT DIAMETER: 2.500 INCHES NOMINAL IN
•
NUT HEIGHT: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHOULDER STEP WIDTH
0.438 INCHES NOMINAL IN
SHOULDER WIDTH
0.188 INCHES NOMINAL IN
THREAD SERIES
UNS
HOLE CONFIGURATION STYLE
CONFIGURATION F
THREAD DIRECTION
RIGHT-HAND
NOMINAL THREAD SIZE
2.125 INCHES IN
NUT DIAMETER
2.500 INCHES NOMINAL IN
NUT HEIGHT
1.250 INCHES NOMINAL IN
DRILLED HOLE DIAMETER
0.312 INCHES NOMINAL IN
NUT STYLE
ROUND
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 4666P?
4666P is a NUT,UNION.
What parts can replace 4666P?
There are 2 known substitutes for 4666P: SL-4234 PIECE 53, SL-4234. Substitute compatibility should be verified for your specific system.
What is the NSN for 4666P?
4666P is cataloged in the U.S. Government catalog under NSN 4730-01-203-8702. This indicates validated use in U.S. government and defense supply chains.
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