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6163454 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6163454: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.198 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES TOP, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM, overall_diameter: 9.150 INCHES MINIMUM AND 9.170 INCHES MAXIMUM IN, surface_treatment: CHROMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-616-3454, 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
6163454
NSN: 5310-00-616-3454
FSC: 5310 — Nuts and Washers
CAGE: 19206 — ARMY, UNITED STATES DEPARTMENT OF THE DBA WATERVLIET ARSENAL DIV BUSINESS DEVELOPMENT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.198 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES TOP
hardness_rating40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
overall_diameter9.150 INCHES MINIMUM AND 9.170 INCHES MAXIMUM IN
surface_treatmentCHROMIUM OVERALL
NSN5310-00-616-3454
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6163454 · 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
•
SURFACE FINISH: 63.0 MICROINCHES BOTTOM
•
OVERALL DIAMETER: 9.150 INCHES MINIMUM AND 9.170 INCHES MAXIMUM IN
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
THICKNESS: 0.198 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES TOP
OVERALL DIAMETER9.150 INCHES MINIMUM AND 9.170 INCHES MAXIMUM IN
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
SURFACE TREATMENTCHROMIUM OVERALL
MATERIALSTEEL OVERALL
THICKNESS0.198 INCHES MINIMUM AND 0.202 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6163454?
6163454 is a WASHER,FLAT.
What is the NSN for 6163454?
6163454 is cataloged in the U.S. Government catalog under NSN 5310-00-616-3454. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.