PartsTable
Technical Data Sheet
PartsTable / COMPONENT / CSN55558
CSN55558 ✓ 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: WOOL COMP 9R4 OVERALL, thickness: 0.125 INCHES NOMINAL IN, hole_diameter: 0.468 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, overall_diameter: 2.093 INCHES MINIMUM AND 2.156 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-602-1704, 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
CSN55558
NSN: 5310-00-602-1704
FSC: 5310
CAGE: 82254 — CURTIS DYNA-FOG, LTD. (USA)
SPECIFICATIONS
materialWOOL COMP 9R4 OVERALL
thickness0.125 INCHES NOMINAL IN
hole_diameter0.468 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
overall_diameter2.093 INCHES MINIMUM AND 2.156 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationC-F-206,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-602-1704
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CSN55558 · 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: C-F-206,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: WOOL COMP 9R4 OVERALL
•
HOLE DIAMETER: 0.468 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 2.093 INCHES MINIMUM AND 2.156 INCHES MAXIMUM IN
•
THICKNESS: 0.125 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONC-F-206,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALWOOL COMP 9R4 OVERALL
HOLE DIAMETER0.468 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
OVERALL DIAMETER2.093 INCHES MINIMUM AND 2.156 INCHES MAXIMUM IN
THICKNESS0.125 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
FF-D-396 TY3Interchangeable
interchangeable cross-reference
interchangeable
A-A-276Interchangeable
interchangeable cross-reference
interchangeable
FF-D-396Interchangeable
interchangeable cross-reference
interchangeable
BOBRICK B170Interchangeable
interchangeable cross-reference
interchangeable
A-A-2703 TY4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy CSN55558?
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 CSN55558?
CSN55558 is a WASHER,FLAT.
What parts can replace CSN55558?
There are 5 known substitutes for CSN55558: FF-D-396 TY3, A-A-276, FF-D-396 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CSN55558?
CSN55558 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-602-1704. This indicates validated use in U.S. government and defense supply chains.
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 — CSN55558

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