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PartsTable / COMPONENT / 140859
140859 ✓ 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include material: PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL, shank_height: 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN, hole_diameter: 0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN, overall_height: 0.094 INCHES NOMINAL IN, inside_diameter: 0.088 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN, outside_diameter: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-032-1973, 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
140859
NSN: 5310-00-032-1973
FSC: 5310
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
shank_height0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
hole_diameter0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN
overall_height0.094 INCHES NOMINAL IN
inside_diameter0.088 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
outside_diameter0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
style_designatorSHOULDER
surface_treatmentCADMIUM OVERALL
material_thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
shank_outside_diameter0.128 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN
material_document_and_classificationMIL-M-20693, TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-032-1973
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 140859 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL THICKNESS: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.163 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
SURFACE TREATMENTCADMIUM OVERALL
MATERIAL THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.163 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
PR-410-11Interchangeable
interchangeable cross-reference
interchangeable
W232-59Interchangeable
interchangeable cross-reference
interchangeable
X-73Interchangeable
interchangeable cross-reference
interchangeable
9-508Interchangeable
interchangeable cross-reference
interchangeable
9-X-4Interchangeable
interchangeable cross-reference
interchangeable
KAL-01C PG 8.1 ITEM 8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 140859?
140859 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 140859?
There are 7 known substitutes for 140859: PR-410-11, W232-59, X-73 and 4 more. Substitute compatibility should be verified for your specific system.
Is 140859 still available?
140859 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026