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938.82.12.202 — WASHER,FINISHING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

938.82.12.202: WASHER,FINISHING.

The WASHER,FINISHING is a the manufacturer industrial component. Key specifications include material: GLUE SEALING ELEMENT, recess_angle: 100.0 DEGREES NOMINAL, hole_diameter: 4.2 MILLIMETERS NOMINAL MM, overall_height: 2.0 MILLIMETERS NOMINAL MM, recess_diameter: 8.4 MILLIMETERS NOMINAL MM, outside_diameter: 14.2 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-581-5661, 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
938.82.12.202
NSN: 5310-01-581-5661
FSC: 5310 — Nuts and Washers
CAGE: S4080 — PILATUS AIRCRAFT LTD (CHE)
SPECIFICATIONS
materialGLUE SEALING ELEMENT
recess_angle100.0 DEGREES NOMINAL
hole_diameter4.2 MILLIMETERS NOMINAL MM
overall_height2.0 MILLIMETERS NOMINAL MM
recess_diameter8.4 MILLIMETERS NOMINAL MM
outside_diameter14.2 MILLIMETERS NOMINAL MM
style_designatorFINISHING
surface_treatmentPASSIVATE BODY
material_thickness0.3 MILLIMETERS NOMINAL MM
end_item_identificationAIRCRAFT
material_document_and_classificationSTEEL A-286,UNS S66286 NATIONAL SPEC SINGLE MATERIAL RESPONSE BODY
part_name_assigned_by_controlling_agencyDIMPLED WASHER
NSN5310-01-581-5661
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 938.82.12.202 · 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
•
STYLE DESIGNATOR: FINISHING
•
MATERIAL DOCUMENT AND CLASSIFICATION: STEEL A-286,UNS S66286 NATIONAL SPEC SINGLE MATERIAL RESPONSE BODY
•
OUTSIDE DIAMETER: 14.2 MILLIMETERS NOMINAL MM
•
MATERIAL THICKNESS: 0.3 MILLIMETERS NOMINAL MM
•
RECESS DIAMETER: 8.4 MILLIMETERS NOMINAL MM
•
COLOR: GREEN SEALING ELEMENT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORFINISHING
MATERIAL DOCUMENT AND CLASSIFICATIONSTEEL A-286,UNS S66286 NATIONAL SPEC SINGLE MATERIAL RESPONSE BODY
OUTSIDE DIAMETER14.2 MILLIMETERS NOMINAL MM
MATERIAL THICKNESS0.3 MILLIMETERS NOMINAL MM
RECESS DIAMETER8.4 MILLIMETERS NOMINAL MM
COLORGREEN SEALING ELEMENT
SPECIAL FEATURESINCLUDES BONDING AGENT USED FOR COUNTERSUNK (MOLTEN ADHESIVE RING) 0.46MM THICK-GREEN;DATA FROM PILATUS IP CATALOG 57-20-01;FIGURE 1 WING TIP AND STATIC DISCHARGER;ITEM 31;34 REQUIRED PER ASSY;PILATUS ITEM PART NUMBER IS LISTED AS 938.82.12.202 ON PAGE 2 OF 57-20-01 DATED 28/10/2008 MM
SURFACE TREATMENTPASSIVATE BODY
PART NAME ASSIGNED BY CONTROLLING AGENCYDIMPLED WASHER
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 938.82.12.202?
938.82.12.202 is a WASHER,FINISHING.
What is the NSN for 938.82.12.202?
938.82.12.202 is cataloged in the U.S. Government catalog under NSN 5310-01-581-5661. 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.