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Technical Data Sheet
PartsTable / COMPONENT / 28-311
28-311 ✓ 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 WAVEGUIDE ASSEMBLY is a the manufacturer industrial component. Key specifications include material: SILVER ALLOY SINGLE TUBING SEGMENT, flexibility: RIGID SINGLE TUBING SEGMENT, groove_width: 0.062 INCHES NOMINAL IN, grommet_style: ROUND, hole_diameter: 0.234 INCHES NOMINAL IN, overall_height: 0.312 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-106-2539, 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
28-311
NSN: 5310-00-106-2539
FSC: 5310
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
materialSILVER ALLOY SINGLE TUBING SEGMENT
flexibilityRIGID SINGLE TUBING SEGMENT
groove_width0.062 INCHES NOMINAL IN
grommet_styleROUND
hole_diameter0.234 INCHES NOMINAL IN
overall_height0.312 INCHES NOMINAL IN
flange_quantity2
flange_thickness0.094 INCHES NOMINAL IN
outside_diameter6.000 INCHES NOMINAL IN
special_featuresINCLUDES 3.50 IN. DIA MTG PLATE W/ EIGHT 0.098 IN. DIA HOLES ON 2.750 IN. DIA BOLT CIRCLE IN
style_designatorSTRAIGHT TYPE
waveguide_length3.500 INCHES NOMINAL IN
NSN5310-00-106-2539
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 28-311 · 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MAGNETIC PERMEABILITY SHALL BE LESS THAN 1.2 BEFORE FABRICATION AND NOT GREATER THAN 2.0 AFTER FABRICATION AS MEASURED IN A 200 OERSTED FIELD.
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMAGNETIC PERMEABILITY SHALL BE LESS THAN 1.2 BEFORE FABRICATION AND NOT GREATER THAN 2.0 AFTER FABRICATION AS MEASURED IN A 200 OERSTED FIELD.
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
D28311Interchangeable
interchangeable cross-reference
interchangeable
28311Interchangeable
interchangeable cross-reference
interchangeable
2436Interchangeable
interchangeable cross-reference
interchangeable
C56353-18Interchangeable
interchangeable cross-reference
interchangeable
508-01436-133Interchangeable
interchangeable cross-reference
interchangeable
858886-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28-311?
28-311 is a WAVEGUIDE ASSEMBLY.
What parts can replace 28-311?
There are 7 known substitutes for 28-311: D28311, 28311, 2436 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28-311?
28-311 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-106-2539. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026