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MCS-01-612-010-2 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MCS-01-612-010-2: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.562 INCHES NOMINAL IN, overall_height: 1.250 INCHES NOMINAL IN, recess_diameter: 1.562 INCHES NOMINAL IN, shoulder_height: 0.750 INCHES NOMINAL IN, outside_diameter: 4.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-496-0312, 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
MCS-01-612-010-2
NSN: 5310-01-496-0312
FSC: 5310 — Nuts and Washers
CAGE: 06101 — UNITED STATES COAST GUARD YARD (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.562 INCHES NOMINAL IN
overall_height1.250 INCHES NOMINAL IN
recess_diameter1.562 INCHES NOMINAL IN
shoulder_height0.750 INCHES NOMINAL IN
outside_diameter4.000 INCHES NOMINAL IN
special_featuresCOMPONENT OF LIFE RING BUOY AND STANCHION ASSEMBLY
style_designatorSHOULDERED AND RECESSED
shoulder_diameter2.750 INCHES NOMINAL IN
end_item_identificationFLOATING CAUSEWAY, 1945-01-473-2162
NSN5310-01-496-0312
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MCS-01-612-010-2 · 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: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED AND RECESSED
•
OUTSIDE DIAMETER: 4.000 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 2.750 INCHES NOMINAL IN
•
RECESS DIAMETER: 1.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.250 INCHES NOMINAL IN
SHOULDER HEIGHT0.750 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED AND RECESSED
OUTSIDE DIAMETER4.000 INCHES NOMINAL IN
SHOULDER DIAMETER2.750 INCHES NOMINAL IN
RECESS DIAMETER1.562 INCHES NOMINAL IN
SPECIAL FEATURESCOMPONENT OF LIFE RING BUOY AND STANCHION ASSEMBLY
END ITEM IDENTIFICATIONFLOATING CAUSEWAY, 1945-01-473-2162
MATERIALSTEEL OVERALL
HOLE DIAMETER0.562 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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MCS-01-612-010-2?
MCS-01-612-010-2 is a WASHER,SHOULDERED.
What is the NSN for MCS-01-612-010-2?
MCS-01-612-010-2 is cataloged in the U.S. Government catalog under NSN 5310-01-496-0312. 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.