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PartsTable / COMPONENT / 28460D PIECE 23
28460D PIECE 23 ✓ 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 WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 1.688 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES ALL SURFACES, shoulder_height: 0.250 INCHES NOMINAL IN, outside_diameter: 2.281 INCHES NOMINAL IN, style_designator: SHOULDERED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-9193, 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
28460D PIECE 23
NSN: 5310-00-275-9193
FSC: 5310
CAGE: 23515 — FREDERICK CUSTOM MACHINING INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter1.688 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES ALL SURFACES
shoulder_height0.250 INCHES NOMINAL IN
outside_diameter2.281 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter2.0610 INCHES MINIMUM AND 2.0615 INCHES MAXIMUM IN
material_thickness0.125 INCHES NOMINAL IN
NSN5310-00-275-9193
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 28460D PIECE 23 · 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
•
SHOULDER DIAMETER: 2.0610 INCHES MINIMUM AND 2.0615 INCHES MAXIMUM IN
•
SHOULDER HEIGHT: 0.250 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
HOLE DIAMETER: 1.688 INCHES NOMINAL IN
•
SURFACE FINISH: 32.0 MICROINCHES ALL SURFACES
•
OUTSIDE DIAMETER: 2.281 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
TECHNICAL CHARACTERISTICS (FLIS)
SHOULDER DIAMETER2.0610 INCHES MINIMUM AND 2.0615 INCHES MAXIMUM IN
SHOULDER HEIGHT0.250 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
HOLE DIAMETER1.688 INCHES NOMINAL IN
SURFACE FINISH32.0 MICROINCHES ALL SURFACES
OUTSIDE DIAMETER2.281 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
23-1HInterchangeable
interchangeable cross-reference
interchangeable
MIL-T-43435Interchangeable
interchangeable cross-reference
interchangeable
AA52082-C-4-OLIVE DRABInterchangeable
interchangeable cross-reference
interchangeable
A-A-52082-C-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28460D PIECE 23?
28460D PIECE 23 is a WASHER,SHOULDERED.
What parts can replace 28460D PIECE 23?
There are 4 known substitutes for 28460D PIECE 23: 23-1H, MIL-T-43435, AA52082-C-4-OLIVE DRAB and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28460D PIECE 23?
28460D PIECE 23 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-9193. 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