PartsTable
Technical Data Sheet
3946561 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: COPPER OVERALL, thickness: 0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN, body_length: 4.000 INCHES NOMINAL IN, body_material: METAL, hole_diameter: 2.781 INCHES MINIMUM AND 2.799 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-281-8320, 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
MRO MRO_GENERAL 3946561
NSN: 5310-00-281-8320
FSC: 5310
CAGE: 62265 — VOLVO TRUCKS NORTH AMERICA, INC. DBA (FOREIGN PARENT IS VOLVO LASTVAGNAR AB, GOTEBORG, SWEDEN.) (USA)
SPECIFICATIONS
materialCOPPER OVERALL
thickness0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
body_length4.000 INCHES NOMINAL IN
body_materialMETAL
hole_diameter2.781 INCHES MINIMUM AND 2.799 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
overall_length4.562 INCHES NOMINAL IN
hardness_rating60.0 ROCKWELL B MINIMUM
overall_diameter4.562 INCHES NOMINAL IN
style_designatorROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
nominal_thread_size0.312 INCHES IN
operating_temp_range-55.0 TO 85.0 CELSIUS DEGC
NSN5310-00-281-8320
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3946561 · 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
OVERALL DIAMETER: 4.562 INCHES NOMINAL IN
THICKNESS: 0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
HOLE DIAMETER: 2.781 INCHES MINIMUM AND 2.799 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLE: ROUND
HARDNESS RATING: 60.0 ROCKWELL B MINIMUM
CENTER HOLE SHAPE STYLE: ROUND
MATERIAL: COPPER OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER4.562 INCHES NOMINAL IN
THICKNESS0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER2.781 INCHES MINIMUM AND 2.799 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
HARDNESS RATING60.0 ROCKWELL B MINIMUM
CENTER HOLE SHAPE STYLEROUND
MATERIALCOPPER OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
27827Interchangeable
interchangeable cross-reference
interchangeable
LS27825PC1T021Interchangeable
interchangeable cross-reference
interchangeable
RF3962-1AInterchangeable
interchangeable cross-reference
interchangeable
394656-1Interchangeable
interchangeable cross-reference
interchangeable
10B480BInterchangeable
interchangeable cross-reference
interchangeable
MS90537-27Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3946561?
3946561 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3946561?
There are 19 known substitutes for 3946561: 27827, LS27825PC1T021, RF3962-1A and 16 more. Substitute compatibility should be verified for your specific system.
Is 3946561 still available?
3946561 is currently cancelled.
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