PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 446188
446188 ✓ 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 1010 OR STEEL COMP 1020 OVERALL, thickness: 0.049 INCHES NOMINAL IN, hole_diameter: 0.266 INCHES NOMINAL IN, overall_diameter: 0.625 INCHES NOMINAL IN, surface_treatment: CADMIUM OR ZINC OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-044-6188, 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
446188
NSN: 5310-00-044-6188
FSC: 5310
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1020 OVERALL
thickness0.049 INCHES NOMINAL IN
hole_diameter0.266 INCHES NOMINAL IN
overall_diameter0.625 INCHES NOMINAL IN
surface_treatmentCADMIUM OR ZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE
departure_from_cited_designatorAS MODIFIED BY SURFACE
material_document_and_classificationASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-044-6188
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 446188 · 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: ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY SURFACE
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.266 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SURFACE
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.266 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.049 INCHES NOMINAL IN
OVERALL DIAMETER0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
35P199Interchangeable
Same NIIN cross-reference
interchangeable
100951X050WBInterchangeable
Same NIIN cross-reference
interchangeable
16559R1Interchangeable
Same NIIN cross-reference
interchangeable
5310000446188Interchangeable
Same NIIN cross-reference
interchangeable
MILW1085TYPEAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 446188?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 446188?
446188 is a WASHER,FLAT.
What parts can replace 446188?
There are 5 known substitutes for 446188: 35P199, 100951X050WB, 16559R1 and 2 more. Substitute compatibility should be verified for your specific system.
Is 446188 still available?
446188 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 446188

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026