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PartsTable / COMPONENT / 10121302
10121302 ✓ 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,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.268 INCHES NOMINAL IN, thread_length: 0.375 INCHES MINIMUM IN, fastener_length: 0.500 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 5310-00-323-1996, 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
10121302
NSN: 5310-00-323-1996
FSC: 5310
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.268 INCHES NOMINAL IN
thread_length0.375 INCHES MINIMUM IN
fastener_length0.500 INCHES NOMINAL IN
locking_featureSTRIP THREADS
thread_directionRIGHT-HAND
countersink_angle82.0 DEGREES NOMINAL
surface_treatmentPASSIVATE OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.138 INCHES IN
NSN5310-00-323-1996
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10121302 · 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: 0.037 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A682 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
OUTSIDE DIAMETER: 1.102 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1095 OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HOLE DIAMETER: 0.856 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.037 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A682 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
OVERALL HEIGHT0.075 INCHES NOMINAL IN
OUTSIDE DIAMETER1.102 INCHES NOMINAL IN
MATERIALSTEEL COMP 1095 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER0.856 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
LP54J62P8Interchangeable
interchangeable cross-reference
interchangeable
10121302Interchangeable
interchangeable cross-reference
interchangeable
0601B0003-4Interchangeable
interchangeable cross-reference
interchangeable
R8Interchangeable
interchangeable cross-reference
interchangeable
SM-C-773920-3Interchangeable
interchangeable cross-reference
interchangeable
W1102-012Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10121302?
10121302 is a WASHER,SPRING TENSION.
What parts can replace 10121302?
There are 6 known substitutes for 10121302: LP54J62P8, 10121302, 0601B0003-4 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10121302?
10121302 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-323-1996. 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