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PartsTable / COMPONENT / 10121897
10121897 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, thickness: 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, hole_diameter: 0.156 INCHES NOMINAL IN, overall_diameter: 0.375 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-965-1793, 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
10121897
NSN: 5310-00-965-1793
FSC: 5310
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
thickness0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
hole_diameter0.156 INCHES NOMINAL IN
overall_diameter0.375 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE AND B CLASS
departure_from_cited_designatorAS MODIFIED BY REQUIRED BY 3A3
material_document_and_classificationQQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-965-1793
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10121897 · 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
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 304 OVERALL
•
THICKNESS: 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE AND B CLASS
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY REQUIRED BY 3A3
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
THICKNESS0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND B CLASS
SURFACE TREATMENTPASSIVATE OVERALL
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY REQUIRED BY 3A3
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.156 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
8924401-18Interchangeable
interchangeable cross-reference
interchangeable
236-1149P9Interchangeable
interchangeable cross-reference
interchangeable
2038-8053Interchangeable
interchangeable cross-reference
interchangeable
FF-W-92Interchangeable
interchangeable cross-reference
interchangeable
NASM15795-806Interchangeable
interchangeable cross-reference
interchangeable
MS15795-806Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10121897?
10121897 is a WASHER,FLAT.
What parts can replace 10121897?
There are 11 known substitutes for 10121897: 8924401-18, 236-1149P9, 2038-8053 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10121897?
10121897 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-965-1793. 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