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NS202860-5A — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

NS202860-5A: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OR NICKEL ALLOY 718 OVERALL, thickness: 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, hole_diameter: 0.314 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN, overall_diameter: 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN, surface_treatment: ALUMINUM ALLOY OVERALL, test_data_document: 96906-MIL-STD-6866 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-319-6942, 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
NS202860-5A
NSN: 5310-01-319-6942
FSC: 5310 — Nuts and Washers
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OR NICKEL ALLOY 718 OVERALL
thickness0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
hole_diameter0.314 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN
overall_diameter0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN
surface_treatmentALUMINUM ALLOY OVERALL
test_data_document96906-MIL-STD-6866 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
peripheral_shape_styleROUND
center_hole_shape_styleROUND
minimum_tensile_strength180000 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_styleRECTANGULAR
surface_treatment_document_and_classificationNAS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-319-6942
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NS202860-5A · 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: NAS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5596 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5597 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5662 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: ALUMINUM ALLOY OVERALL
•
MINIMUM TENSILE STRENGTH: 180000 POUNDS PER SQUARE INCH LBS
•
PERIPHERAL SHAPE STYLE: ROUND
•
TEST DATA DOCUMENT: 96906-MIL-STD-6866 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5596 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5597 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5662 ASSN STD 2ND MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTALUMINUM ALLOY OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH LBS
PERIPHERAL SHAPE STYLEROUND
TEST DATA DOCUMENT96906-MIL-STD-6866 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
MATERIALIRON ALLOY 660 OR NICKEL ALLOY 718 OVERALL
CENTER HOLE SHAPE STYLEROUND
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 5
MM118-5ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VN948BF5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
03A257-5ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS19879-5ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VN948-5-ASame 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 NS202860-5A?
NS202860-5A is a WASHER,FLAT.
What parts can replace NS202860-5A?
There are 5 known substitutes for NS202860-5A: MM118-5A, VN948BF5, 03A257-5A and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NS202860-5A?
NS202860-5A is cataloged in the U.S. Government catalog under NSN 5310-01-319-6942. 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.