PartsTable
Technical Data Sheet
PartsTable / COMPONENT / AN381-3-26
AN381-3-26 ✓ 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 PIN,COTTER is a the manufacturer industrial component. Key specifications include diameter: 0.094 INCHES NOMINAL IN, material: STEEL COMP 302 OVERALL, style_designator: STANDARD, underloop_length: 1.625 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, material_document_and_classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-236-8354, 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
AN381-3-26
NSN: 5315-00-236-8354
FSC: 5315
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
diameter0.094 INCHES NOMINAL IN
materialSTEEL COMP 302 OVERALL
style_designatorSTANDARD
underloop_length1.625 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
material_document_and_classificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-236-8354
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AN381-3-26 · 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
•
DIAMETER: 0.094 INCHES NOMINAL IN
•
UNDERLOOP LENGTH: 1.625 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
STYLE DESIGNATOR: STANDARD
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 302 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.094 INCHES NOMINAL IN
UNDERLOOP LENGTH1.625 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
STYLE DESIGNATORSTANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
110-180-115Interchangeable
interchangeable cross-reference
interchangeable
650-100001-025Interchangeable
interchangeable cross-reference
interchangeable
24500115Interchangeable
interchangeable cross-reference
interchangeable
CC1161-00Interchangeable
interchangeable cross-reference
interchangeable
560-227Interchangeable
interchangeable cross-reference
interchangeable
CS6735Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy AN381-3-26?
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 AN381-3-26?
AN381-3-26 is a PIN,COTTER.
What parts can replace AN381-3-26?
There are 10 known substitutes for AN381-3-26: 110-180-115, 650-100001-025, 24500115 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN381-3-26?
AN381-3-26 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-236-8354. 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 — AN381-3-26

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