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10121914 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

10121914: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OVERALL, thickness: 0.038 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN, hole_diameter: 0.145 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES BOTTOM, overall_diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-983-9732, 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
10121914
NSN: 5310-00-983-9732
FSC: 5310 — Nuts and Washers
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialSTEEL COMP 321 OVERALL
thickness0.038 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN
hole_diameter0.145 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES BOTTOM
overall_diameter0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-983-9732
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10121914 · 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
•
SURFACE FINISH: 63.0 MICROINCHES BOTTOM
•
OVERALL DIAMETER: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 321 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES TOP
OVERALL DIAMETER0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 321 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.145 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
10511920Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS9321-06Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
101031-5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10121914?
10121914 is a WASHER,FLAT.
What parts can replace 10121914?
There are 3 known substitutes for 10121914: 10511920, MS9321-06, 101031-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 10121914?
10121914 is cataloged in the U.S. Government catalog under NSN 5310-00-983-9732. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.