PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 8528077
8528077 ✓ 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: 0.291 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN, overall_height: 0.085 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN, outside_diameter: 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.018 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-515-8273, 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
8528077
NSN: 5310-00-515-8273
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter0.291 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
overall_height0.085 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
outside_diameter0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
material_thickness0.018 INCHES NOMINAL IN
material_document_and_classificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-515-8273
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8528077 · 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 DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 302 OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
OUTSIDE DIAMETER: 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.018 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.291 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
OVERALL HEIGHT0.085 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
MATERIAL THICKNESS0.018 INCHES NOMINAL IN
HOLE DIAMETER0.291 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
22149AInterchangeable
interchangeable cross-reference
interchangeable
1A9749Interchangeable
interchangeable cross-reference
interchangeable
8294Interchangeable
interchangeable cross-reference
interchangeable
MS91236Interchangeable
interchangeable cross-reference
interchangeable
575-6202-1444156REVBLINE173SH2Interchangeable
interchangeable cross-reference
interchangeable
UG23DUInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8528077?
8528077 is a WASHER,SPRING TENSION.
What parts can replace 8528077?
There are 7 known substitutes for 8528077: 22149A, 1A9749, 8294 and 4 more. Substitute compatibility should be verified for your specific system.
Is 8528077 still available?
8528077 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026