PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 17800-4PC8
17800-4PC8 ✓ 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 302 OVERALL, thickness: 0.062 INCHES NOMINAL IN, overall_diameter: 0.875 INCHES NOMINAL IN, criticality_code_justification: ZZZY, material_document_and_classification: QQ-S-763 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 5310-01-218-8818, 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
17800-4PC8
NSN: 5310-01-218-8818
FSC: 5310
CAGE: 83945 — B E AEROSPACE INC SERVICES DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
thickness0.062 INCHES NOMINAL IN
overall_diameter0.875 INCHES NOMINAL IN
criticality_code_justificationZZZY
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5310-01-218-8818
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 17800-4PC8 · 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: STEEL COMP 302 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.875 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THICKNESS0.062 INCHES NOMINAL IN
OVERALL DIAMETER0.875 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
5401-0540010Interchangeable
interchangeable cross-reference
interchangeable
189-0501-074Interchangeable
interchangeable cross-reference
interchangeable
281-0098-00Interchangeable
interchangeable cross-reference
interchangeable
18914Interchangeable
interchangeable cross-reference
interchangeable
13389Interchangeable
interchangeable cross-reference
interchangeable
E1656Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 17800-4PC8?
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 17800-4PC8?
17800-4PC8 is a WASHER,FLAT.
What parts can replace 17800-4PC8?
There are 11 known substitutes for 17800-4PC8: 5401-0540010, 189-0501-074, 281-0098-00 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 17800-4PC8?
17800-4PC8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-218-8818. 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 — 17800-4PC8

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