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Technical Data Sheet
PartsTable / COMPONENT / 128310
128310 ✓ 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 SUPPORT,WAVEGUIDE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thickness: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, hole_diameter: 0.742 INCHES MINIMUM AND 0.757 INCHES MAXIMUM IN, overall_width: 0.625 INCHES NOMINAL IN, overall_height: 0.688 INCHES NOMINAL IN, overall_length: 2.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-186-1381, 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
128310
NSN: 5310-00-186-1381
FSC: 5310
CAGE: 91069 — SEARLE LEATHER AND PACKING CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thickness0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
hole_diameter0.742 INCHES MINIMUM AND 0.757 INCHES MAXIMUM IN
overall_width0.625 INCHES NOMINAL IN
overall_height0.688 INCHES NOMINAL IN
overall_length2.500 INCHES NOMINAL IN
overall_diameter1.012 INCHES NOMINAL IN
surface_treatmentPASSIVATE
fsc_application_dataUSED TO SUPPORT WAVEGUIDE
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-186-1381
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 128310 · 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
•
THICKNESS: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
MATERIAL: LEATHER OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 1.012 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.742 INCHES MINIMUM AND 0.757 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
MATERIALLEATHER OVERALL
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER1.012 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.742 INCHES MINIMUM AND 0.757 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
AD4956036Interchangeable
interchangeable cross-reference
interchangeable
128310Interchangeable
interchangeable cross-reference
interchangeable
5961008476841Interchangeable
interchangeable cross-reference
interchangeable
177610Interchangeable
interchangeable cross-reference
interchangeable
2N1671AInterchangeable
interchangeable cross-reference
interchangeable
831978-10Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 128310?
128310 is a SUPPORT,WAVEGUIDE.
What parts can replace 128310?
There are 14 known substitutes for 128310: AD4956036, 128310, 5961008476841 and 11 more. Substitute compatibility should be verified for your specific system.
Is 128310 still available?
128310 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