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5H7155 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5H7155: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.812 INCHES NOMINAL IN, outside_diameter: 2.281 INCHES NOMINAL IN, style_designator: KEY, material_thickness: 0.0720 INCHES NOMINAL IN, external_key_quantity: 17. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-401-9202, 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
5H7155
NSN: 5310-00-401-9202
FSC: 5310 — Nuts and Washers
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.812 INCHES NOMINAL IN
outside_diameter2.281 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.0720 INCHES NOMINAL IN
external_key_quantity17
external_prebent_key_width0.219 INCHES NOMINAL IN
internal_prebent_key_width0.281 INCHES NOMINAL IN
overall_distance_including_keys2.734 INCHES NOMINAL IN
NSN5310-00-401-9202
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5H7155 · 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
•
INTERNAL PREBENT KEY WIDTH: 0.281 INCHES NOMINAL IN
•
OVERALL DISTANCE INCLUDING KEYS: 2.734 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 2.281 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.0720 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 17
•
EXTERNAL PREBENT KEY WIDTH: 0.219 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
INTERNAL PREBENT KEY WIDTH0.281 INCHES NOMINAL IN
OVERALL DISTANCE INCLUDING KEYS2.734 INCHES NOMINAL IN
STYLE DESIGNATORKEY
OUTSIDE DIAMETER2.281 INCHES NOMINAL IN
MATERIAL THICKNESS0.0720 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY17
EXTERNAL PREBENT KEY WIDTH0.219 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER1.812 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5H7155?
5H7155 is a WASHER,KEY.
What is the NSN for 5H7155?
5H7155 is cataloged in the U.S. Government catalog under NSN 5310-00-401-9202. 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.