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PartsTable / COMPONENT / S1003342-1
S1003342-1 ✓ 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: CELLULOSE OVERALL, thickness: 0.031 INCHES NOMINAL IN, hole_diameter: 0.172 INCHES NOMINAL IN, overall_diameter: 0.375 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-202-4398, 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
S1003342-1
NSN: 5310-00-202-4398
FSC: 5310
CAGE: 18355 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
thickness0.031 INCHES NOMINAL IN
hole_diameter0.172 INCHES NOMINAL IN
overall_diameter0.375 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-202-4398
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S1003342-1 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: CELLULOSE OVERALL
•
OVERALL DIAMETER: 0.375 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.172 INCHES NOMINAL IN
•
THICKNESS: 0.031 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALCELLULOSE OVERALL
OVERALL DIAMETER0.375 INCHES NOMINAL IN
HOLE DIAMETER0.172 INCHES NOMINAL IN
THICKNESS0.031 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
10035Interchangeable
interchangeable cross-reference
interchangeable
710035Interchangeable
interchangeable cross-reference
interchangeable
16514Interchangeable
interchangeable cross-reference
interchangeable
361-60094Interchangeable
interchangeable cross-reference
interchangeable
W8119088PC14Interchangeable
interchangeable cross-reference
interchangeable
C12A3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1003342-1?
S1003342-1 is a WASHER,FLAT.
What parts can replace S1003342-1?
There are 25 known substitutes for S1003342-1: 10035, 710035, 16514 and 22 more. Substitute compatibility should be verified for your specific system.
Is S1003342-1 still available?
S1003342-1 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