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193283H1 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

193283H1: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include hole_diameter: 2.250 INCHES NOMINAL IN, shoulder_height: 0.094 INCHES NOMINAL IN, style_designator: SHOULDERED, shoulder_diameter: 2.513 INCHES MINIMUM AND 2.533 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-288-1455, 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
193283H1
NSN: 5310-01-288-1455
FSC: 5310 — Nuts and Washers
CAGE: 0SAT8 — KOMATSU AMERICA CORP. (USA)
SPECIFICATIONS
hole_diameter2.250 INCHES NOMINAL IN
shoulder_height0.094 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter2.513 INCHES MINIMUM AND 2.533 INCHES MAXIMUM IN
NSN5310-01-288-1455
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 193283H1 · 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
•
SHOULDER HEIGHT: 0.094 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
SHOULDER DIAMETER: 2.513 INCHES MINIMUM AND 2.533 INCHES MAXIMUM IN
•
HOLE DIAMETER: 2.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.094 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
SHOULDER DIAMETER2.513 INCHES MINIMUM AND 2.533 INCHES MAXIMUM IN
HOLE DIAMETER2.250 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 193283H1?
193283H1 is a WASHER,SHOULDERED.
What is the NSN for 193283H1?
193283H1 is cataloged in the U.S. Government catalog under NSN 5310-01-288-1455. 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.