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HS306-519L — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

HS306-519L: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOLIC OVERALL, thickness: 0.016 INCHES NOMINAL IN, hole_diameter: 0.169 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, hardness_rating: 98.0 ROCKWELL M MINIMUM AND 113.0 ROCKWELL M MAXIMUM, overall_diameter: 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-465-3725, 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
HS306-519L
NSN: 5310-01-465-3725
FSC: 5310 — Nuts and Washers
CAGE: 8V613 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialPLASTIC PHENOLIC OVERALL
thickness0.016 INCHES NOMINAL IN
hole_diameter0.169 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
hardness_rating98.0 ROCKWELL M MINIMUM AND 113.0 ROCKWELL M MAXIMUM
overall_diameter0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
special_featuresFITS NO. 8 SCREW; CONSTRUCTED WITH SUITABLE PAPER BASE OR FILLER IMPREGNATED AND BONDED (LAMINATED) WITH THERMOSETTING PHENOLIC RESIN COMPOUND OR BINDER
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationATTACK HELICOPTER, MCDONNELL DOUGLAS HELICOPTER CO., MODEL APACHE
minimum_tensile_strength8850 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationL-P-513,TYPE PBE-P MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-465-3725
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HS306-519L · 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: 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
HARDNESS RATING: 98.0 ROCKWELL M MINIMUM AND 113.0 ROCKWELL M MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-513,TYPE PBE-P MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
COLOR: NATURAL OVERALL
•
MINIMUM TENSILE STRENGTH: 8850 POUNDS PER SQUARE INCH LBS
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
HARDNESS RATING98.0 ROCKWELL M MINIMUM AND 113.0 ROCKWELL M MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-513,TYPE PBE-P MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
COLORNATURAL OVERALL
SPECIAL FEATURESFITS NO. 8 SCREW; CONSTRUCTED WITH SUITABLE PAPER BASE OR FILLER IMPREGNATED AND BONDED (LAMINATED) WITH THERMOSETTING PHENOLIC RESIN COMPOUND OR BINDER
MINIMUM TENSILE STRENGTH8850 POUNDS PER SQUARE INCH LBS
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONATTACK HELICOPTER, MCDONNELL DOUGLAS HELICOPTER CO., MODEL APACHE
MATERIALPLASTIC PHENOLIC OVERALL
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 HS306-519L?
HS306-519L is a WASHER,FLAT.
What is the NSN for HS306-519L?
HS306-519L is cataloged in the U.S. Government catalog under NSN 5310-01-465-3725. This indicates validated use in U.S. government and defense supply chains.
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