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10109549 ✓ 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,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_diameter: 0.380 INCHES NOMINAL IN, overall_height: 0.051 INCHES NOMINAL IN, outside_diameter: 0.750 INCHES NOMINAL IN, style_designator: SPRING TENSION, surface_treatment: PASSIVATE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-129-8116, 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
10109549
NSN: 5310-01-129-8116
FSC: 5310
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter0.380 INCHES NOMINAL IN
overall_height0.051 INCHES NOMINAL IN
outside_diameter0.750 INCHES NOMINAL IN
style_designatorSPRING TENSION
surface_treatmentPASSIVATE OVERALL
material_thickness0.028 INCHES NOMINAL IN
material_document_and_classificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-129-8116
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10109549 · 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: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPRING TENSION
•
HOLE DIAMETER: 0.380 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL THICKNESS: 0.028 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 302 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
HOLE DIAMETER0.380 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
MATERIAL THICKNESS0.028 INCHES NOMINAL IN
OVERALL HEIGHT0.051 INCHES NOMINAL IN
MATERIALSTEEL COMP 302 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
77C718632P001Interchangeable
interchangeable cross-reference
interchangeable
530454-33Interchangeable
interchangeable cross-reference
interchangeable
B0750-028-SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10109549?
10109549 is a WASHER,SPRING TENSION.
What parts can replace 10109549?
There are 3 known substitutes for 10109549: 77C718632P001, 530454-33, B0750-028-S. Substitute compatibility should be verified for your specific system.
What is the NSN for 10109549?
10109549 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-129-8116. 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