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13556279 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

13556279: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOLIC OVERALL, thickness: 0.76 MILLIMETERS MINIMUM AND 0.96 MILLIMETERS MAXIMUM MM, hole_diameter: 2.23 MILLIMETERS MINIMUM AND 2.29 MILLIMETERS MAXIMUM MM, overall_diameter: 3.53 MILLIMETERS MINIMUM AND 3.71 MILLIMETERS MAXIMUM MM, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-668-2804, 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
13556279
NSN: 5310-01-668-2804
FSC: 5310 — Nuts and Washers
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialPLASTIC PHENOLIC OVERALL
thickness0.76 MILLIMETERS MINIMUM AND 0.96 MILLIMETERS MAXIMUM MM
hole_diameter2.23 MILLIMETERS MINIMUM AND 2.29 MILLIMETERS MAXIMUM MM
overall_diameter3.53 MILLIMETERS MINIMUM AND 3.71 MILLIMETERS MAXIMUM MM
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identification01650975
cross-sectional_shape_styleBLANK RECTANGULAR
part_name_assigned_by_controlling_agencyWASHER, FLAT, CONNECTOR, MOUNTING
NSN5310-01-668-2804
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 13556279 · 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: 3.53 MILLIMETERS MINIMUM AND 3.71 MILLIMETERS MAXIMUM MM
•
CROSS-SECTIONAL SHAPE STYLE: BLANK RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: PLASTIC PHENOLIC OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 2.23 MILLIMETERS MINIMUM AND 2.29 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER3.53 MILLIMETERS MINIMUM AND 3.71 MILLIMETERS MAXIMUM MM
CROSS-SECTIONAL SHAPE STYLEBLANK RECTANGULAR
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, FLAT, CONNECTOR, MOUNTING
END ITEM IDENTIFICATION01650975
MATERIALPLASTIC PHENOLIC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER2.23 MILLIMETERS MINIMUM AND 2.29 MILLIMETERS MAXIMUM MM
THICKNESS0.76 MILLIMETERS MINIMUM AND 0.96 MILLIMETERS MAXIMUM MM
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 13556279?
13556279 is a WASHER,FLAT.
What is the NSN for 13556279?
13556279 is cataloged in the U.S. Government catalog under NSN 5310-01-668-2804. This indicates validated use in U.S. government and defense supply chains.
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