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Technical Data Sheet
PartsTable / COMPONENT / LTN43250
LTN43250 ✓ 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,SEAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 BODY, hole_diameter: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN, overall_height: 0.075 INCHES NOMINAL0.075 INCHES NOMINAL IN, outside_diameter: 0.437 INCHES NOMINAL0.437 INCHES NOMINAL IN, style_designator: CONCAVE, end_item_identification: 5410-01-592-94635410-01-592-9463. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-622-6311, 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
LTN43250
NSN: 5310-01-622-6311
FSC: 5310
CAGE: 4JMM9 — GAYNOR INDUSTRIES CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 304 BODY
hole_diameter0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
overall_height0.075 INCHES NOMINAL0.075 INCHES NOMINAL IN
outside_diameter0.437 INCHES NOMINAL0.437 INCHES NOMINAL IN
style_designatorCONCAVE
end_item_identification5410-01-592-94635410-01-592-9463
part_name_assigned_by_controlling_agencyWASHER,SEALINGWASHER,SEALING
NSN5310-01-622-6311
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LTN43250 · 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
•
HOLE DIAMETER: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.437 INCHES NOMINAL0.437 INCHES NOMINAL IN
•
MATERIAL: RUBBER NEOPRENE SEALING ELEMENT
•
STYLE DESIGNATOR: CONCAVE
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
OUTSIDE DIAMETER0.437 INCHES NOMINAL0.437 INCHES NOMINAL IN
MATERIALRUBBER NEOPRENE SEALING ELEMENT
MATERIALSTEEL COMP 304 BODY
STYLE DESIGNATORCONCAVE
END ITEM IDENTIFICATION5410-01-592-94635410-01-592-9463
OVERALL HEIGHT0.075 INCHES NOMINAL0.075 INCHES NOMINAL IN
SPECIAL FEATURESNEOPRENE SEAL HAS TEMP RANGE OF -80DEG F TO 300DEG F;SEAL IS CHEMICALLY RESISTANT TO WATER,GASOLINE,PETROLEUM OILS,SALT SPRAYS,ALKALI,SOME ACIDS,ORGANIC AND AROMATIC SOLVENTS,DETERGENTS,OZONE,HYDROCARBONS,OXYGENATED AND CHLORINATED SOLVENTSNEOPRENE SEAL HAS TEMP RANGE OF -80DEG F TO 300DEG F;SEAL IS CHEMICALLY RESISTANT TO WATER,GASOLINE,PETROLEUM OILS,SALT SPRAYS,ALKALI,SOME ACIDS,ORGANIC AND AROMATIC SOLVENTS,DETERGENTS,OZONE,HYDROCARBONS,OXYGENATED AND CHLORINATED SOLVENTS DEGF
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,SEALINGWASHER,SEALING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
17-3-2829-5Interchangeable
interchangeable cross-reference
interchangeable
17-3-2829Interchangeable
interchangeable cross-reference
interchangeable
75107Interchangeable
interchangeable cross-reference
interchangeable
LTN37164Interchangeable
interchangeable cross-reference
interchangeable
17-3-2829-3Interchangeable
interchangeable cross-reference
interchangeable
17-3-2829-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LTN43250?
LTN43250 is a WASHER,SEAL.
What parts can replace LTN43250?
There are 8 known substitutes for LTN43250: 17-3-2829-5, 17-3-2829, 75107 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LTN43250?
LTN43250 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-622-6311. 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