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C115396 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

C115396: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, thickness: 0.250 INCHES NOMINAL IN, hole_diameter: 0.765 INCHES NOMINAL IN, hardness_rating: 88.3 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 90.2 ROCKWELL SUPERFICIAL 15-N MAXIMUM, overall_diameter: 2.250 INCHES NOMINAL IN, features_provided: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-708-9844, 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
C115396
NSN: 5310-00-708-9844
FSC: 5310 — Nuts and Washers
CAGE: 53591 — SCHWITZER ENGINE COMPONENTS A HOUSEHOLD INTL CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
thickness0.250 INCHES NOMINAL IN
hole_diameter0.765 INCHES NOMINAL IN
hardness_rating88.3 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 90.2 ROCKWELL SUPERFICIAL 15-N MAXIMUM
overall_diameter2.250 INCHES NOMINAL IN
features_providedCASEHARDENED
special_test_featuresNNONE
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-708-9844
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C115396 · 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
•
OVERALL DIAMETER: 2.250 INCHES NOMINAL IN
•
SPECIAL TEST FEATURES: NNONE
•
HARDNESS RATING: 88.3 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 90.2 ROCKWELL SUPERFICIAL 15-N MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
FEATURES PROVIDED: CASEHARDENED
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1020 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.250 INCHES NOMINAL IN
SPECIAL TEST FEATURESNNONE
HARDNESS RATING88.3 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 90.2 ROCKWELL SUPERFICIAL 15-N MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
FEATURES PROVIDEDCASEHARDENED
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1020 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.765 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

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 C115396?
C115396 is a WASHER,FLAT.
What is the NSN for C115396?
C115396 is cataloged in the U.S. Government catalog under NSN 5310-00-708-9844. 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.