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98370A039 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

98370A039: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thickness: 0.213 INCHES NOMINAL IN, hardness_rating: 92.0 ROCKWELL B NOMINAL, overall_diameter: 2.250 INCHES NOMINAL IN, peripheral_shape_style: ROUND, supplementary_features: BOLT THREAD DIAMETER FOR WHICH DESIGNED - 1.156 INCH IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-546-6517, 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
98370A039
NSN: 5310-01-546-6517
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness0.213 INCHES NOMINAL IN
hardness_rating92.0 ROCKWELL B NOMINAL
overall_diameter2.250 INCHES NOMINAL IN
peripheral_shape_styleROUND
supplementary_featuresBOLT THREAD DIAMETER FOR WHICH DESIGNED - 1.156 INCH IN
center_hole_shape_styleROUND
end_item_identification1940-01-526-0770 , BRIDGE ERECTION BOAT
environmental_protectionCORROSION RESISTANT
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyTHISK 18-8 STAINLESS STEEL FLAT WASHER
NSN5310-01-546-6517
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 98370A039 · 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: 2.250 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: BOLT THREAD DIAMETER FOR WHICH DESIGNED - 1.156 INCH IN
•
HARDNESS RATING: 92.0 ROCKWELL B NOMINAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
ENVIRONMENTAL PROTECTION: CORROSION RESISTANT
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.250 INCHES NOMINAL IN
SUPPLEMENTARY FEATURESBOLT THREAD DIAMETER FOR WHICH DESIGNED - 1.156 INCH IN
HARDNESS RATING92.0 ROCKWELL B NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
ENVIRONMENTAL PROTECTIONCORROSION RESISTANT
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYTHISK 18-8 STAINLESS STEEL FLAT WASHER
END ITEM IDENTIFICATION1940-01-526-0770 , BRIDGE ERECTION BOAT
MATERIALSTEEL CORROSION RESISTING OVERALL
CENTER HOLE SHAPE STYLEROUND
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 98370A039?
98370A039 is a WASHER,FLAT.
What is the NSN for 98370A039?
98370A039 is cataloged in the U.S. Government catalog under NSN 5310-01-546-6517. This indicates validated use in U.S. government and defense supply chains.
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