PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 104-3S2A
104-3S2A ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM, outside_diameter: 0.185 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: CADMIUM OR ZINC OVERALL, material_thickness: 0.012 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-193-7636, 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
104-3S2A
NSN: 5310-00-193-7636
FSC: 5310
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
hole_diameter0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
outside_diameter0.185 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentCADMIUM OR ZINC OVERALL
material_thickness0.012 INCHES NOMINAL IN
NSN5310-00-193-7636
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 104-3S2A · 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
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
MATERIAL THICKNESS: 0.012 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
OUTSIDE DIAMETER: 0.185 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORFLAT INTERNAL TEETH
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
MATERIAL THICKNESS0.012 INCHES NOMINAL IN
HOLE DIAMETER0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
OUTSIDE DIAMETER0.185 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
B107.500 CAT 19 TY1CL1STAInterchangeable
interchangeable cross-reference
interchangeable
0100Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-480 TY1CL1STASZ1-1-2Interchangeable
interchangeable cross-reference
interchangeable
120-16Interchangeable
interchangeable cross-reference
interchangeable
120-200Interchangeable
interchangeable cross-reference
interchangeable
15354Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 104-3S2A?
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 104-3S2A?
104-3S2A is a WASHER,LOCK.
What parts can replace 104-3S2A?
There are 20 known substitutes for 104-3S2A: B107.500 CAT 19 TY1CL1STA, 0100, GGG-P-480 TY1CL1STASZ1-1-2 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 104-3S2A?
104-3S2A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-193-7636. 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 — 104-3S2A

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