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Technical Data Sheet
PartsTable / COMPONENT / W-0-5N
W-0-5N ✓ 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 thickness: 0.025 INCHES NOMINAL IN, hole_diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, overall_diameter: 0.2812 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND, cross-sectional_shape_style: RECTANGULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-514-8245, 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
W-0-5N
NSN: 5310-00-514-8245
FSC: 5310
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
thickness0.025 INCHES NOMINAL IN
hole_diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
overall_diameter0.2812 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND I GRADE AND E CLASS
departure_from_cited_designatorAS MODIFIED BY OUTSIDE DIA.
NSN5310-00-514-8245
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: W-0-5N · 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
•
HOLE DIAMETER: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY OUTSIDE DIA.
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND I GRADE AND E CLASS
•
OVERALL DIAMETER: 0.2812 INCHES NOMINAL IN
•
THICKNESS: 0.025 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY OUTSIDE DIA.
NONDEFINITIVE SPEC/STD DATAA TYPE AND I GRADE AND E CLASS
OVERALL DIAMETER0.2812 INCHES NOMINAL IN
THICKNESS0.025 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
20515Interchangeable
interchangeable cross-reference
interchangeable
522 5489288 REV-ITEM 10Interchangeable
interchangeable cross-reference
interchangeable
MS51021-83Interchangeable
interchangeable cross-reference
interchangeable
502256Interchangeable
interchangeable cross-reference
interchangeable
358330Interchangeable
interchangeable cross-reference
interchangeable
934C055731-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W-0-5N?
W-0-5N is a WASHER,FLAT.
What parts can replace W-0-5N?
There are 15 known substitutes for W-0-5N: 20515, 522 5489288 REV-ITEM 10, MS51021-83 and 12 more. Substitute compatibility should be verified for your specific system.
Is W-0-5N still available?
W-0-5N 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