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Technical Data Sheet
1539349 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN, hole_diameter: 0.144 INCHES MINIMUM AND 0.154 INCHES MAXIMUM IN, overall_diameter: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-515-8243, 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
1539349
NSN: 5310-00-515-8243
FSC: 5310
CAGE: 64547 — HONEYWELL INTERNATIONAL, INC DIV AEROSPACE-TUCSON (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
hole_diameter0.144 INCHES MINIMUM AND 0.154 INCHES MAXIMUM IN
overall_diameter0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-515-8243
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1539349 · 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: STEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT: PASSIVATE OVERALL
PERIPHERAL SHAPE STYLE: ROUND
CENTER HOLE SHAPE STYLE: ROUND
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
OVERALL DIAMETER: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
THICKNESS: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
HOLE DIAMETER0.144 INCHES MINIMUM AND 0.154 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
176002Interchangeable
interchangeable cross-reference
interchangeable
77B516-01401-3004Interchangeable
interchangeable cross-reference
interchangeable
A540Interchangeable
interchangeable cross-reference
interchangeable
A540FS160Interchangeable
interchangeable cross-reference
interchangeable
30723Interchangeable
interchangeable cross-reference
interchangeable
310-0046-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1539349?
1539349 is a WASHER,FLAT.
What parts can replace 1539349?
There are 23 known substitutes for 1539349: 176002, 77B516-01401-3004, A540 and 20 more. Substitute compatibility should be verified for your specific system.
Is 1539349 still available?
1539349 is currently cancelled.
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