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Technical Data Sheet
PartsTable / COMPONENT / 35099-16
35099-16 ✓ 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: CELLULOSE OVERALL, thickness: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, hole_diameter: 0.630 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN, overall_diameter: 1.250 INCHES MINIMUM AND 1.261 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-290-8997, 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
35099-16
NSN: 5310-00-290-8997
FSC: 5310
CAGE: 01359 — TRIUMPH THERMAL SYSTEMS - MARYLAND, INC. (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
thickness0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
hole_diameter0.630 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
overall_diameter1.250 INCHES MINIMUM AND 1.261 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-290-8997
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 35099-16 · 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
•
HOLE DIAMETER: 0.630 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
•
MATERIAL: CELLULOSE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 1.250 INCHES MINIMUM AND 1.261 INCHES MAXIMUM IN
•
THICKNESS: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.630 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
MATERIALCELLULOSE OVERALL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.250 INCHES MINIMUM AND 1.261 INCHES MAXIMUM IN
THICKNESS0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
A15126Interchangeable
interchangeable cross-reference
interchangeable
15126Interchangeable
interchangeable cross-reference
interchangeable
3413-2110-1000Interchangeable
interchangeable cross-reference
interchangeable
MILD45815Interchangeable
interchangeable cross-reference
interchangeable
AA59649-093AInterchangeable
interchangeable cross-reference
interchangeable
70477Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 35099-16?
35099-16 is a WASHER,FLAT.
What parts can replace 35099-16?
There are 21 known substitutes for 35099-16: A15126, 15126, 3413-2110-1000 and 18 more. Substitute compatibility should be verified for your specific system.
Is 35099-16 still available?
35099-16 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026