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Technical Data Sheet
PartsTable / COMPONENT / 900873-11
900873-11 ✓ 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 material: COPPER ALLOY 510 OVERALL, hole_diameter: 0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN, outside_diameter: 0.678 INCHES MAXIMUM IN, special_features: DYED LIGHT YELLOW, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: CADMIUM 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 5310-00-167-0673, 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
900873-11
NSN: 5310-00-167-0673
FSC: 5310
CAGE: 90536 — LOCKHEED MARTIN CORP DBA LOCKHEED MARTIN DIV MST - EAGAN (USA)
SPECIFICATIONS
materialCOPPER ALLOY 510 OVERALL
hole_diameter0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
outside_diameter0.678 INCHES MAXIMUM IN
special_featuresDYED LIGHT YELLOW
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentCADMIUM OVERALL
material_thickness0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
material_document_and_classificationQQ-B-746 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-167-0673
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 900873-11 · 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 THICKNESS: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-746 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL: COPPER ALLOY 510 OVERALL
•
OUTSIDE DIAMETER: 0.678 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-746 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIALCOPPER ALLOY 510 OVERALL
OUTSIDE DIAMETER0.678 INCHES MAXIMUM IN
HOLE DIAMETER0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
SPECIAL FEATURESDYED LIGHT YELLOW
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
2HS104Interchangeable
interchangeable cross-reference
interchangeable
AN935B616LInterchangeable
interchangeable cross-reference
interchangeable
B27-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 900873-11?
900873-11 is a WASHER,LOCK.
What parts can replace 900873-11?
There are 3 known substitutes for 900873-11: 2HS104, AN935B616L, B27-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 900873-11?
900873-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-167-0673. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026