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98017A635 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

98017A635: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thickness: 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN, hole_diameter: 0.203 INCHES NOMINAL IN, hardness_rating: 70.0 ROCKWELL B NOMINAL, overall_diameter: 0.438 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-560-7172, 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
98017A635
NSN: 5310-01-560-7172
FSC: 5310 — Nuts and Washers
CAGE: 1L160 — SUPERIOR WASHER & GASKET CORP. DBA SUPERIOR WASHER & GASKET CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
hole_diameter0.203 INCHES NOMINAL IN
hardness_rating70.0 ROCKWELL B NOMINAL
overall_diameter0.438 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationTEST SET
cross-sectional_shape_styleBLANK RECTANGULAR
part_name_assigned_by_controlling_agencyINAVY:FLAT WASHER
NSN5310-01-560-7172
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 98017A635 · 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: 0.438 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 ROCKWELL B NOMINAL
•
CROSS-SECTIONAL SHAPE STYLE: BLANK RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.438 INCHES NOMINAL IN
HARDNESS RATING70.0 ROCKWELL B NOMINAL
CROSS-SECTIONAL SHAPE STYLEBLANK RECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY:FLAT WASHER
END ITEM IDENTIFICATIONTEST SET
MATERIALSTEEL CORROSION RESISTING OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.203 INCHES NOMINAL 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 98017A635?
98017A635 is a WASHER,FLAT.
What is the NSN for 98017A635?
98017A635 is cataloged in the U.S. Government catalog under NSN 5310-01-560-7172. This indicates validated use in U.S. government and defense supply chains.
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