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10109499 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

10109499: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, hole_diameter: 0.120 INCHES NOMINAL IN, overall_width: 0.290 INCHES NOMINAL IN, special_features: HOLE 0.060 IN. FROM END OF 0.047 IN.

DIA IN, style_designator: KEY, material_thickness: 0.030 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 5310-01-128-6677, 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
10109499
NSN: 5310-01-128-6677
FSC: 5310 — Nuts and Washers
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialPLASTIC OVERALL
hole_diameter0.120 INCHES NOMINAL IN
overall_width0.290 INCHES NOMINAL IN
special_featuresHOLE 0.060 IN. FROM END OF 0.047 IN. DIA IN
style_designatorKEY
material_thickness0.030 INCHES NOMINAL IN
external_prebent_key_width0.160 INCHES NOMINAL IN
external_prebent_key_length0.420 INCHES NOMINAL IN
distance_from_centerline_to_inside_of_prebent_key0.265 INCHES NOMINAL IN
NSN5310-01-128-6677
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10109499 · 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
•
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY: 0.265 INCHES NOMINAL IN
•
EXTERNAL PREBENT KEY LENGTH: 0.420 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL THICKNESS: 0.030 INCHES NOMINAL IN
•
EXTERNAL PREBENT KEY WIDTH: 0.160 INCHES NOMINAL IN
•
MATERIAL: PLASTIC OVERALL
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.265 INCHES NOMINAL IN
EXTERNAL PREBENT KEY LENGTH0.420 INCHES NOMINAL IN
STYLE DESIGNATORKEY
OVERALL WIDTH0.290 INCHES NOMINAL IN
MATERIAL THICKNESS0.030 INCHES NOMINAL IN
SPECIAL FEATURESHOLE 0.060 IN. FROM END OF 0.047 IN. DIA IN
EXTERNAL PREBENT KEY WIDTH0.160 INCHES NOMINAL IN
MATERIALPLASTIC OVERALL
HOLE DIAMETER0.120 INCHES NOMINAL IN
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 10109499?
10109499 is a WASHER,KEY.
What is the NSN for 10109499?
10109499 is cataloged in the U.S. Government catalog under NSN 5310-01-128-6677. 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.