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LTN37138 ✓ 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: RUBBER NEOPRENE SEALING ELEMENT, hole_diameter: 0.138 INCHES NOMINAL0.138 INCHES NOMINAL IN, overall_height: 0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN, outside_diameter: 0.375 INCHES NOMINAL0.375 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 5310-01-622-6329, 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
LTN37138
NSN: 5310-01-622-6329
FSC: 5310
CAGE: 4JMM9 — GAYNOR INDUSTRIES CORPORATION (USA)
SPECIFICATIONS
materialRUBBER NEOPRENE SEALING ELEMENT
hole_diameter0.138 INCHES NOMINAL0.138 INCHES NOMINAL IN
overall_height0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN
outside_diameter0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
style_designatorCONCAVE
end_item_identification5410-01-592-94635410-01-592-9463
part_name_assigned_by_controlling_agencyWASHER,SEALINGWASHER,SEALING
NSN5310-01-622-6329
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LTN37138 · 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
•
MATERIAL: RUBBER NEOPRENE SEALING ELEMENT
•
HOLE DIAMETER: 0.138 INCHES NOMINAL0.138 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCAVE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER NEOPRENE SEALING ELEMENT
HOLE DIAMETER0.138 INCHES NOMINAL0.138 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
OUTSIDE DIAMETER0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
END ITEM IDENTIFICATION5410-01-592-94635410-01-592-9463
OVERALL HEIGHT0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
MATERIALSTEEL COMP 304 BODY
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
LTN43250Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LTN37138?
LTN37138 is a WASHER,SEAL.
What parts can replace LTN37138?
There are 8 known substitutes for LTN37138: 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 LTN37138?
LTN37138 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-622-6329. 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