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Technical Data Sheet
142881 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 5.000 INCHES NOMINAL IN, overall_height: 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN, outside_diameter: 5.750 INCHES NOMINAL IN, special_features: HARDNESS CRITICAL ITEM, features_provided: ELECTROSTATIC SENSITIVE AND BURN IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-740-9652, 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
142881
NSN: 5310-00-740-9652
FSC: 5310
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter5.000 INCHES NOMINAL IN
overall_height0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN
outside_diameter5.750 INCHES NOMINAL IN
special_featuresHARDNESS CRITICAL ITEM
features_providedELECTROSTATIC SENSITIVE AND BURN IN
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
material_thickness0.098 INCHES NOMINAL IN
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
test_data_document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
end_item_identificationAIRCRAFT, B-2 BOMBER - NAVIGATION SYS
NSN5310-00-740-9652
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 142881 · 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
MATERIAL: STEEL OVERALL
HOLE DIAMETER: 5.000 INCHES NOMINAL IN
OUTSIDE DIAMETER: 5.750 INCHES NOMINAL IN
MATERIAL THICKNESS: 0.098 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONW/S: LIGHTER AMPHIBIOUS SP, 60-TON, LARC-LX
MATERIALSTEEL OVERALL
HOLE DIAMETER5.000 INCHES NOMINAL IN
OUTSIDE DIAMETER5.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.098 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
137339Interchangeable
interchangeable cross-reference
interchangeable
14288Interchangeable
interchangeable cross-reference
interchangeable
14288-1Interchangeable
interchangeable cross-reference
interchangeable
142881-0002Interchangeable
interchangeable cross-reference
interchangeable
609-3400795Interchangeable
interchangeable cross-reference
interchangeable
915586Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 142881?
142881 is a MICROCIRCUIT,DIGITAL.
What parts can replace 142881?
There are 9 known substitutes for 142881: 137339, 14288, 14288-1 and 6 more. Substitute compatibility should be verified for your specific system.
Is 142881 still available?
142881 is currently cancelled.
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