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10Y12109 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

10Y12109: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OR COPPER ALLOY OR STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.547 INCHES NOMINAL IN, thread_class: EB, thread_series: UNS, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-113-3872, 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
10Y12109
NSN: 5310-00-113-3872
FSC: 5310 — Nuts and Washers
CAGE: 556A6 — LINDE MATERIAL HANDLING NORTH AMERICA CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OR COPPER ALLOY OR STEEL OVERALL
nut_styleHEXAGON
nut_height0.547 INCHES NOMINAL IN
thread_classEB
thread_seriesUNS
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
width_across_flats1.500 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch14
NSN5310-00-113-3872
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10Y12109 · 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
•
WIDTH ACROSS FLATS: 1.500 INCHES NOMINAL IN
•
THREAD SERIES: UNS
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
NUT HEIGHT: 0.547 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
•
THREAD CLASS: EB
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.500 INCHES NOMINAL IN
THREAD SERIESUNS
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.000 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT0.547 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD CLASSEB
THREAD QUANTITY PER INCH14
MATERIALALUMINUM ALLOY OR COPPER ALLOY OR STEEL OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10Y12109?
10Y12109 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 10Y12109?
10Y12109 is cataloged in the U.S. Government catalog under NSN 5310-00-113-3872. 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.