PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 887B050877
887B050877 ✓ 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,KEY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 172 OVERALL, hole_diameter: 0.266 INCHES NOMINAL IN, outside_diameter: 0.500 INCHES NOMINAL IN, material_thickness: 0.0145 INCHES MINIMUM AND 0.0155 INCHES MAXIMUM IN, external_straight_key_width: 0.200 INCHES NOMINAL IN, material_document_and_classification: ASTMB 194 ASSN STD 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 5310-01-451-0119, 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
887B050877
NSN: 5310-01-451-0119
FSC: 5310
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
materialCOPPER ALLOY 172 OVERALL
hole_diameter0.266 INCHES NOMINAL IN
outside_diameter0.500 INCHES NOMINAL IN
material_thickness0.0145 INCHES MINIMUM AND 0.0155 INCHES MAXIMUM IN
external_straight_key_width0.200 INCHES NOMINAL IN
material_document_and_classificationASTMB 194 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-451-0119
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 887B050877 · 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
•
HOLE DIAMETER: 0.266 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMB 194 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
EXTERNAL STRAIGHT KEY WIDTH: 0.200 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.0145 INCHES MINIMUM AND 0.0155 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 172 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.266 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTMB 194 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
EXTERNAL STRAIGHT KEY WIDTH0.200 INCHES NOMINAL IN
MATERIAL THICKNESS0.0145 INCHES MINIMUM AND 0.0155 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 172 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
UG-107/BUInterchangeable
interchangeable cross-reference
interchangeable
1250-0559Interchangeable
interchangeable cross-reference
interchangeable
4101300-029Interchangeable
interchangeable cross-reference
interchangeable
K50877Interchangeable
interchangeable cross-reference
interchangeable
50877Interchangeable
interchangeable cross-reference
interchangeable
050877Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 887B050877?
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 887B050877?
887B050877 is a WASHER,KEY.
What parts can replace 887B050877?
There are 12 known substitutes for 887B050877: UG-107/BU, 1250-0559, 4101300-029 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 887B050877?
887B050877 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-451-0119. 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 — 887B050877

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