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4202046-1 — WASHER,SHOULDERED AND RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4202046-1: WASHER,SHOULDERED AND RECESSED.

The WASHER,SHOULDERED AND RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 630 OVERALL, recess_angle: 57.0 DEGREES MINIMUM AND 63.0 DEGREES MAXIMUM, hole_diameter: 0.870 INCHES NOMINAL IN, shoulder_height: 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN, outside_diameter: 1.030 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN, style_designator: SHOULDERED AND RECESSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-124-1271, 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
4202046-1
NSN: 5310-01-124-1271
FSC: 5310 — Nuts and Washers
CAGE: 33068 — TRIUMPH ACTUATION SYSTEMS - CONNECTICUT, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 630 OVERALL
recess_angle57.0 DEGREES MINIMUM AND 63.0 DEGREES MAXIMUM
hole_diameter0.870 INCHES NOMINAL IN
shoulder_height0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
outside_diameter1.030 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN
style_designatorSHOULDERED AND RECESSED
shoulder_diameter0.940 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
material_thickness0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-5059,COND 1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5643,COND H1025 ASSN STD 2ND MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationPS13001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-124-1271
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4202046-1 · 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 TREATMENT DOCUMENT AND CLASSIFICATION: PS13001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER HEIGHT: 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED AND RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059,COND 1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5643,COND H1025 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.030 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.940 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS13001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SHOULDER HEIGHT0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED AND RECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059,COND 1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5643,COND H1025 ASSN STD 2ND MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.030 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN
MATERIAL THICKNESS0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
SHOULDER DIAMETER0.940 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 301 OR STEEL COMP 630 OVERALL
HOLE DIAMETER0.870 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 1
10109422Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4202046-1?
4202046-1 is a WASHER,SHOULDERED AND RECESSED.
What parts can replace 4202046-1?
There is 1 known substitute for 4202046-1: 10109422. Substitute compatibility should be verified for your specific system.
What is the NSN for 4202046-1?
4202046-1 is cataloged in the U.S. Government catalog under NSN 5310-01-124-1271. 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.