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Technical Data Sheet
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853087 ✓ 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: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.172 INCHES NOMINAL IN, outside_diameter: 0.265 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.059 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-5629, 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
853087
NSN: 5310-00-013-5629
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.172 INCHES NOMINAL IN
outside_diameter0.265 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.059 INCHES NOMINAL IN
NSN5310-00-013-5629
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 853087 · 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
•
STYLE DESIGNATOR: FLAT EXTERNAL TEETH
•
MATERIAL THICKNESS: 0.037 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1054 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1062 OR STEEL COMP 1064 OVERALL
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
HOLE DIAMETER: 0.513 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
OUTSIDE DIAMETER: 0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OR AISI NATIONAL SPEC ALL MATERIAL RESPONSES OR SAE NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORFLAT EXTERNAL TEETH
MATERIAL THICKNESS0.037 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1054 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1062 OR STEEL COMP 1064 OVERALL
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.513 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
OUTSIDE DIAMETER0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OR AISI NATIONAL SPEC ALL MATERIAL RESPONSES OR SAE NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
1229U515Interchangeable
interchangeable cross-reference
interchangeable
JD614Interchangeable
interchangeable cross-reference
interchangeable
114607Interchangeable
interchangeable cross-reference
interchangeable
6050Interchangeable
interchangeable cross-reference
interchangeable
12Z3042-56Interchangeable
interchangeable cross-reference
interchangeable
1124Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 853087?
853087 is a WASHER,LOCK.
What parts can replace 853087?
There are 13 known substitutes for 853087: 1229U515, JD614, 114607 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 853087?
853087 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-5629. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026