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Technical Data Sheet
PartsTable / COMPONENT / 10121636
10121636 ✓ 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,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1330 OR STEEL COMP 4130 OVERALL, recess_angle: 90.0 DEGREES NOMINAL, hole_diameter: 0.504 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, recess_diameter: 0.604 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN, outside_diameter: 0.840 INCHES NOMINAL IN, special_features: 0.050 RADIUS OUTSIDE CORNER OPPOSITE COUNTERSINK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-736-9062, 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
10121636
NSN: 5310-00-736-9062
FSC: 5310
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialSTEEL COMP 1330 OR STEEL COMP 4130 OVERALL
recess_angle90.0 DEGREES NOMINAL
hole_diameter0.504 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
recess_diameter0.604 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
outside_diameter0.840 INCHES NOMINAL IN
special_features0.050 RADIUS OUTSIDE CORNER OPPOSITE COUNTERSINK
style_designatorRECESSED
surface_treatmentCADMIUM OVERALL
material_thickness0.078 INCHES NOMINAL IN
departure_from_cited_documentAS MODIFIED BY OUTSIDE DIAMETER AND SPECIAL FEATURES
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-736-9062
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10121636 · 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 1330 OR STEEL COMP 4130 OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY OUTSIDE DIAMETER AND SPECIAL FEATURES
•
SURFACE TREATMENT: CADMIUM OVERALL
•
RECESS DIAMETER: 0.604 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.840 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.504 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
RECESS ANGLE: 90.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1330 OR STEEL COMP 4130 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY OUTSIDE DIAMETER AND SPECIAL FEATURES
SURFACE TREATMENTCADMIUM OVERALL
RECESS DIAMETER0.604 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.840 INCHES NOMINAL IN
HOLE DIAMETER0.504 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
RECESS ANGLE90.0 DEGREES NOMINAL
SPECIAL FEATURES0.050 RADIUS OUTSIDE CORNER OPPOSITE COUNTERSINK
STYLE DESIGNATORRECESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
5310PL0150699Interchangeable
interchangeable cross-reference
interchangeable
T4M284-8CInterchangeable
interchangeable cross-reference
interchangeable
5310001499116Interchangeable
interchangeable cross-reference
interchangeable
B1622-8Interchangeable
interchangeable cross-reference
interchangeable
AA1310-2Interchangeable
interchangeable cross-reference
interchangeable
3655-90REVAPC43Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10121636?
10121636 is a WASHER,RECESSED.
What parts can replace 10121636?
There are 11 known substitutes for 10121636: 5310PL0150699, T4M284-8C, 5310001499116 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10121636?
10121636 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-736-9062. 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