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Technical Data Sheet
523870 ✓ 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: TITANIUM OVERALL, special_features: LARGE SIZE; PREFORMED; RESTERILIZABLE, features_provided: STERILE, design_designation: WECK, part_name_assigned_by_controlling_agency: CLIP HEMOSTATIC WECK DESIGN LARGE SIZE PREFORMED TITANIUM 120S. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-900-6456, 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
523870
NSN: 5310-00-900-6456
FSC: 5310
CAGE: 31633 — ALINABAL HOLDINGS CORPORATION DIV ENGINEERED PRODUCTS GROUP (USA)
SPECIFICATIONS
materialTITANIUM OVERALL
special_featuresLARGE SIZE; PREFORMED; RESTERILIZABLE
features_providedSTERILE
design_designationWECK
part_name_assigned_by_controlling_agencyCLIP HEMOSTATIC WECK DESIGN LARGE SIZE PREFORMED TITANIUM 120S
NSN5310-00-900-6456
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 523870 · 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
PERIPHERAL SHAPE STYLE: ROUND
MATERIAL: STEEL COMP 302 OVERALL
HOLE DIAMETER: 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT: SILVER OVERALL
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
OVERALL DIAMETER: 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 302 OVERALL
HOLE DIAMETER0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTSILVER OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THICKNESS0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
F92K020Interchangeable
interchangeable cross-reference
interchangeable
92-11-23-18Interchangeable
interchangeable cross-reference
interchangeable
523870Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 523870?
523870 is a WASHER,FLAT.
What parts can replace 523870?
There are 3 known substitutes for 523870: F92K020, 92-11-23-18, 523870. Substitute compatibility should be verified for your specific system.
What is the NSN for 523870?
523870 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-900-6456. This indicates validated use in U.S. government and defense supply chains.
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