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9936A83A — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

9936A83A: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, hole_diameter: 1.990 INCHES MINIMUM AND 1.992 INCHES MAXIMUM IN, hardness_rating: 34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM, shoulder_height: 0.3310 INCHES MINIMUM AND 0.3315 INCHES MAXIMUM IN, outside_diameter: 2.380 INCHES NOMINAL IN, special_features: NO CADMIUM PLATE ON TOP,SURFACE A,DISTANCE FROM EXTREME ID TO BOTTOM OF NOTCH 2.010 IN. MIN,2.020 IN.

MAX IN. This part is cataloged in the U.S. Government catalog under NSN 5310-01-197-2401, 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
9936A83A
NSN: 5310-01-197-2401
FSC: 5310 — Nuts and Washers
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
hole_diameter1.990 INCHES MINIMUM AND 1.992 INCHES MAXIMUM IN
hardness_rating34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM
shoulder_height0.3310 INCHES MINIMUM AND 0.3315 INCHES MAXIMUM IN
outside_diameter2.380 INCHES NOMINAL IN
special_featuresNO CADMIUM PLATE ON TOP,SURFACE A,DISTANCE FROM EXTREME ID TO BOTTOM OF NOTCH 2.010 IN. MIN,2.020 IN. MAX IN
style_designatorSHOULDERED
shoulder_diameter2.127 INCHES MINIMUM AND 2.128 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
material_thickness0.0585 INCHES MINIMUM AND 0.0590 INCHES MAXIMUM IN
material_document_and_classificationAMS 6381 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationCPT 8204,FSCM 13002 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-197-2401
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9936A83A · 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: CPT 8204,FSCM 13002 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER HEIGHT: 0.3310 INCHES MINIMUM AND 0.3315 INCHES MAXIMUM IN
•
HARDNESS RATING: 34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6381 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.380 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.0585 INCHES MINIMUM AND 0.0590 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 2.127 INCHES MINIMUM AND 2.128 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONCPT 8204,FSCM 13002 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SHOULDER HEIGHT0.3310 INCHES MINIMUM AND 0.3315 INCHES MAXIMUM IN
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6381 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.380 INCHES NOMINAL IN
MATERIAL THICKNESS0.0585 INCHES MINIMUM AND 0.0590 INCHES MAXIMUM IN
SHOULDER DIAMETER2.127 INCHES MINIMUM AND 2.128 INCHES MAXIMUM IN
SPECIAL FEATURESNO CADMIUM PLATE ON TOP,SURFACE A,DISTANCE FROM EXTREME ID TO BOTTOM OF NOTCH 2.010 IN. MIN,2.020 IN. MAX IN
SURFACE TREATMENTCADMIUM OVERALL
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 9936A83A?
9936A83A is a WASHER,SHOULDERED.
What is the NSN for 9936A83A?
9936A83A is cataloged in the U.S. Government catalog under NSN 5310-01-197-2401. 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.