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Technical Data Sheet
PartsTable / COMPONENT / 311-0421-000
311-0421-000 ✓ 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 REACTOR is a the manufacturer industrial component. Key specifications include body_width: 0.750 INCHES MAXIMUM IN, body_height: 1.125 INCHES MAXIMUM IN, body_length: 0.750 INCHES MAXIMUM IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, inclosure_type: HERMETICALLY SEALED, overall_height: 1.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-844-5644, 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
311-0421-000
NSN: 5315-00-844-5644
FSC: 5315
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
body_width0.750 INCHES MAXIMUM IN
body_height1.125 INCHES MAXIMUM IN
body_length0.750 INCHES MAXIMUM IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
inclosure_typeHERMETICALLY SEALED
overall_height1.375 INCHES NOMINAL IN
inductance_typeFIXED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating120.0 HERTZ NOMINAL SINGLE COMPONENT
winding_quantity1 SINGLE COMPONENT
inductance_rating75.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
nominal_thread_size0.112 INCHES SINGLE GROUP IN
NSN5315-00-844-5644
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 311-0421-000 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
141279Interchangeable
interchangeable cross-reference
interchangeable
15C5031-2Interchangeable
interchangeable cross-reference
interchangeable
42N100PC18Interchangeable
interchangeable cross-reference
interchangeable
MS16562-198Interchangeable
interchangeable cross-reference
interchangeable
2-062C4Interchangeable
interchangeable cross-reference
interchangeable
494550-239Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 311-0421-000?
311-0421-000 is a REACTOR.
What parts can replace 311-0421-000?
There are 35 known substitutes for 311-0421-000: 141279, 15C5031-2, 42N100PC18 and 32 more. Substitute compatibility should be verified for your specific system.
Is 311-0421-000 still available?
311-0421-000 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026