PartsTable
Technical Data Sheet
55529 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The VALVE,SOLENOID is a the manufacturer industrial component. Key specifications include connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, special_features: WEAPON SYSTEM ESSENTIAL;EXTERNAL EQUALIZER;FOR REFRIGERANT R-22 EQUIPPED WITH PILOT VALVE, thread_direction: RIGHT-HAND ALL ENDS, nominal_thread_size: 0.875 INCHES ALL ENDS IN, valve_operation_method: SOLENOID OR MANUAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-372-8854, 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
55529
NSN: 5310-00-372-8854
FSC: 5310
CAGE: 48ZY0 — MAS COMPONENTS & COATINGS, LLC DBA MAS COMPONENTS & COATINGS LLC (USA)
SPECIFICATIONS
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
special_featuresWEAPON SYSTEM ESSENTIAL;EXTERNAL EQUALIZER;FOR REFRIGERANT R-22 EQUIPPED WITH PILOT VALVE
thread_directionRIGHT-HAND ALL ENDS
nominal_thread_size0.875 INCHES ALL ENDS IN
valve_operation_methodSOLENOID OR MANUAL
end_item_identificationF/A-18 HORNET AIRCRAFT GROUND SUPPORT EQUIPMENT
thread_series_designatorNPTF ALL ENDS
criticality_code_justificationFEAT
voltage_in_volts_and_current_type24.0 DC
NSN5310-00-372-8854
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 55529 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
THICKNESS: 0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
OVERALL DIAMETER: 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLE: ROUND
CENTER HOLE SHAPE STYLE: ROUND
MATERIAL: STEEL COMP 304 OVERALL
HOLE DIAMETER: 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
OVERALL DIAMETER0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
MATERIALSTEEL COMP 304 OVERALL
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-4043 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
100940 WITH 204567 (24 VDC)Interchangeable
interchangeable cross-reference
interchangeable
251196Interchangeable
interchangeable cross-reference
interchangeable
55529Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55529?
55529 is a VALVE,SOLENOID.
What parts can replace 55529?
There are 3 known substitutes for 55529: 100940 WITH 204567 (24 VDC), 251196, 55529. Substitute compatibility should be verified for your specific system.
Is 55529 still available?
55529 is currently cancelled.
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