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6135-02-406-4103 — WASHER,SHOULDERED AND RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6135-02-406-4103: WASHER,SHOULDERED AND RECESSED.

The WASHER,SHOULDERED AND RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, recess_angle: 80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM, hole_diameter: 2.2535 INCHES MINIMUM AND 2.2540 INCHES MAXIMUM IN, surface_finish: 20.0 MICROINCHES TOP, recess_diameter: 2.3535 INCHES MINIMUM AND 2.3540 INCHES MAXIMUM IN, shoulder_height: 0.139 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-333-5516, 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
6135-02-406-4103
NSN: 5310-01-333-5516
FSC: 5310 — Nuts and Washers
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
recess_angle80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM
hole_diameter2.2535 INCHES MINIMUM AND 2.2540 INCHES MAXIMUM IN
surface_finish20.0 MICROINCHES TOP
recess_diameter2.3535 INCHES MINIMUM AND 2.3540 INCHES MAXIMUM IN
shoulder_height0.139 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN
outside_diameter3.140 INCHES NOMINAL IN
style_designatorSHOULDERED AND RECESSED
shoulder_diameter2.475 INCHES NOMINAL IN
material_thickness0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-333-5516
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6135-02-406-4103 · 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: 20.0 MICROINCHES TOP
•
SHOULDER HEIGHT: 0.139 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED AND RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 3.140 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 2.475 INCHES NOMINAL IN
•
RECESS DIAMETER: 2.3535 INCHES MINIMUM AND 2.3540 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH20.0 MICROINCHES TOP
SHOULDER HEIGHT0.139 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED AND RECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER3.140 INCHES NOMINAL IN
MATERIAL THICKNESS0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
SHOULDER DIAMETER2.475 INCHES NOMINAL IN
RECESS DIAMETER2.3535 INCHES MINIMUM AND 2.3540 INCHES MAXIMUM IN
MATERIALSTEEL COMP 4340 OVERALL
HOLE DIAMETER2.2535 INCHES MINIMUM AND 2.2540 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 1
PL61350-24064-103Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6135-02-406-4103?
6135-02-406-4103 is a WASHER,SHOULDERED AND RECESSED.
What parts can replace 6135-02-406-4103?
There is 1 known substitute for 6135-02-406-4103: PL61350-24064-103. Substitute compatibility should be verified for your specific system.
What is the NSN for 6135-02-406-4103?
6135-02-406-4103 is cataloged in the U.S. Government catalog under NSN 5310-01-333-5516. 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.