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Technical Data Sheet
PartsTable / COMPONENT / 12759-01275
12759-01275 ✓ 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 CORROSION RESISTING OVERALL, hole_diameter: 0.255 INCHES MINIMUM AND 0.255 INCHES MINIMUM AND 0.295 INCHES MAXIMUM0.295 INCHES MAXIMUM IN, overall_height: 0.090 INCHES MINIMUM AND 0.090 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN, outside_diameter: 0.605 INCHES MINIMUM AND 0.605 INCHES MINIMUM AND 0.645 INCHES MAXIMUM0.645 INCHES MAXIMUM IN, part_name_assigned_by_controlling_agency: STAINLESS STEEL BONDED SEALING WASHERSTAINLESS STEEL BONDED SEALING WASHER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-593-0892, 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
12759-01275
NSN: 5310-01-593-0892
FSC: 5310
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.255 INCHES MINIMUM AND 0.255 INCHES MINIMUM AND 0.295 INCHES MAXIMUM0.295 INCHES MAXIMUM IN
overall_height0.090 INCHES MINIMUM AND 0.090 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN
outside_diameter0.605 INCHES MINIMUM AND 0.605 INCHES MINIMUM AND 0.645 INCHES MAXIMUM0.645 INCHES MAXIMUM IN
end_item_identification4320-01-483-1054 PUMPING ASSEMBLY, FLAMMABLE LIQUID, BULK TRANSFER4320-01-483-1054 PUMPING ASSEMBLY, FLAMMABLE LIQUID, BULK TRANSFER
part_name_assigned_by_controlling_agencySTAINLESS STEEL BONDED SEALING WASHERSTAINLESS STEEL BONDED SEALING WASHER
NSN5310-01-593-0892
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12759-01275 · 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
•
OUTSIDE DIAMETER: 0.605 INCHES MINIMUM AND 0.605 INCHES MINIMUM AND 0.645 INCHES MAXIMUM0.645 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SEALING ELEMENT
•
HOLE DIAMETER: 0.255 INCHES MINIMUM AND 0.255 INCHES MINIMUM AND 0.295 INCHES MAXIMUM0.295 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.605 INCHES MINIMUM AND 0.605 INCHES MINIMUM AND 0.645 INCHES MAXIMUM0.645 INCHES MAXIMUM IN
MATERIALRUBBER SEALING ELEMENT
PART NAME ASSIGNED BY CONTROLLING AGENCYSTAINLESS STEEL BONDED SEALING WASHERSTAINLESS STEEL BONDED SEALING WASHER
OVERALL HEIGHT0.090 INCHES MINIMUM AND 0.090 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN
END ITEM IDENTIFICATION4320-01-483-1054 PUMPING ASSEMBLY, FLAMMABLE LIQUID, BULK TRANSFER4320-01-483-1054 PUMPING ASSEMBLY, FLAMMABLE LIQUID, BULK TRANSFER
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.255 INCHES MINIMUM AND 0.295 INCHES MAXIMUM0.295 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
4765514-7Interchangeable
interchangeable cross-reference
interchangeable
3316SInterchangeable
interchangeable cross-reference
interchangeable
3316-5Interchangeable
interchangeable cross-reference
interchangeable
AT300C54Interchangeable
interchangeable cross-reference
interchangeable
AT300Interchangeable
interchangeable cross-reference
interchangeable
CW1171MPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12759-01275?
12759-01275 is a WASHER,SEAL.
What parts can replace 12759-01275?
There are 11 known substitutes for 12759-01275: 4765514-7, 3316S, 3316-5 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12759-01275?
12759-01275 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-593-0892. 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