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10888215 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

10888215: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP MT1010 OR STEEL COMP MTX1020 OVERALL, hole_diameter: 1.187 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN, shoulder_height: 0.162 INCHES NOMINAL IN, outside_diameter: 2.125 INCHES NOMINAL IN, style_designator: SHOULDERED, shoulder_diameter: 1.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-110-9785, 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
10888215
NSN: 5310-00-110-9785
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP MT1010 OR STEEL COMP MTX1020 OVERALL
hole_diameter1.187 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN
shoulder_height0.162 INCHES NOMINAL IN
outside_diameter2.125 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter1.625 INCHES NOMINAL IN
surface_treatmentPHOSPHATE OVERALL
material_thickness0.188 INCHES NOMINAL IN
NSN5310-00-110-9785
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10888215 · 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: 0.162 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
OUTSIDE DIAMETER: 2.125 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.188 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 1.625 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL: STEEL COMP MT1010 OR STEEL COMP MTX1020 OVERALL
•
HOLE DIAMETER: 1.187 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.162 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
OUTSIDE DIAMETER2.125 INCHES NOMINAL IN
MATERIAL THICKNESS0.188 INCHES NOMINAL IN
SHOULDER DIAMETER1.625 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL COMP MT1010 OR STEEL COMP MTX1020 OVERALL
HOLE DIAMETER1.187 INCHES MINIMUM AND 1.197 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 10888215?
10888215 is a WASHER,SHOULDERED.
What is the NSN for 10888215?
10888215 is cataloged in the U.S. Government catalog under NSN 5310-00-110-9785. 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.