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3181899-2 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3181899-2: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: TIN ALLOY AND ZINC ALLOY OVERALL, thickness: 0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN, hole_diameter: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, overall_diameter: 0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN, special_features: MATERIAL MELTING POINT 199 DEGREES CELSIUS/390 DEGREES FA, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-700-4300, 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
3181899-2
NSN: 5310-01-700-4300
FSC: 5310 — Nuts and Washers
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialTIN ALLOY AND ZINC ALLOY OVERALL
thickness0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
hole_diameter0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
overall_diameter0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
special_featuresMATERIAL MELTING POINT 199 DEGREES CELSIUS/390 DEGREES FA
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyWASHER, MELT
NSN5310-01-700-4300
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3181899-2 · 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
•
OVERALL DIAMETER: 0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: TIN ALLOY AND ZINC ALLOY OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESMATERIAL MELTING POINT 199 DEGREES CELSIUS/390 DEGREES FA
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, MELT
MATERIALTIN ALLOY AND ZINC ALLOY OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
THICKNESS0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3181899-2?
3181899-2 is a WASHER,FLAT.
What is the NSN for 3181899-2?
3181899-2 is cataloged in the U.S. Government catalog under NSN 5310-01-700-4300. This indicates validated use in U.S. government and defense supply chains.
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