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PartsTable / COMPONENT / 5310PL1389102
5310PL1389102 ✓ 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 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL, thickness: 0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN, hole_diameter: 0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN, overall_diameter: 1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM IN, special_features: WASHER, FLAT, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-767-9425, 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
5310PL1389102
NSN: 5310-00-767-9425
FSC: 5310
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
thickness0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
hole_diameter0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
overall_diameter1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM IN
special_featuresWASHER, FLAT
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationMRAP - COUGAR CAT2 A2; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); MRAP BUFFALO MK2A2; A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE AND B CLASS
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-767-9425
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5310PL1389102 · 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
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
•
OVERALL DIAMETER: 1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
OVERALL DIAMETER1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMRAP - COUGAR CAT2 A2; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); MRAP BUFFALO MK2A2; A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
SPECIAL FEATURESWASHER, FLAT
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND B CLASS
THICKNESS0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
221-415Interchangeable
interchangeable cross-reference
interchangeable
ASME B16.3Interchangeable
interchangeable cross-reference
interchangeable
901046-5Interchangeable
interchangeable cross-reference
interchangeable
A1013-14SAInterchangeable
interchangeable cross-reference
interchangeable
A1167PC14Interchangeable
interchangeable cross-reference
interchangeable
S6100-607661PC14Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5310PL1389102?
5310PL1389102 is a WASHER,FLAT.
What parts can replace 5310PL1389102?
There are 20 known substitutes for 5310PL1389102: 221-415, ASME B16.3, 901046-5 and 17 more. Substitute compatibility should be verified for your specific system.
Is 5310PL1389102 still available?
5310PL1389102 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