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91117A219 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

91117A219: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include width: 2.000 INCHES NOMINAL IN, length: 2.000 INCHES NOMINAL IN, material: STEEL OVERALL, thickness: 0.113 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN, end_cut_angle: 90.0 DEGREES NOMINAL, center_hole_width: 0.406 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-574-4388, 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
91117A219
NSN: 5310-01-574-4388
FSC: 5310 — Nuts and Washers
CAGE: 97852 — STAR STAINLESS SCREW CO (USA)
SPECIFICATIONS
width2.000 INCHES NOMINAL IN
length2.000 INCHES NOMINAL IN
materialSTEEL OVERALL
thickness0.113 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
end_cut_angle90.0 DEGREES NOMINAL
center_hole_width0.406 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identification4520-01-566-6669, HEATER,WATER 400,00
asbestos_content_percentage0.0 NOMINAL
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-574-4388
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91117A219 · 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
•
CENTER HOLE WIDTH: 0.406 INCHES NOMINAL IN
•
END CUT ANGLE: 90.0 DEGREES NOMINAL
•
LENGTH: 2.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: ZINC OVERALL
•
ASBESTOS CONTENT PERCENTAGE: 0.0 NOMINAL
•
PERIPHERAL SHAPE STYLE: ROUND
•
WIDTH: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CENTER HOLE WIDTH0.406 INCHES NOMINAL IN
END CUT ANGLE90.0 DEGREES NOMINAL
LENGTH2.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTZINC OVERALL
ASBESTOS CONTENT PERCENTAGE0.0 NOMINAL
PERIPHERAL SHAPE STYLEROUND
WIDTH2.000 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYJUMBO (THICK) FLAT WASHER
END ITEM IDENTIFICATION4520-01-566-6669, HEATER,WATER 400,00
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91117A219?
91117A219 is a WASHER,FLAT.
What is the NSN for 91117A219?
91117A219 is cataloged in the U.S. Government catalog under NSN 5310-01-574-4388. 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.