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13385378 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

13385378: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, recess_angle: 56.0 DEGREES NOMINAL, recess_depth: 0.081 INCHES NOMINAL IN, hole_diameter: 0.830 INCHES NOMINAL IN, recess_diameter: 0.645 INCHES NOMINAL IN, outside_diameter: 0.990 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-471-0733, 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
13385378
NSN: 5310-01-471-0733
FSC: 5310 — Nuts and Washers
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
recess_angle56.0 DEGREES NOMINAL
recess_depth0.081 INCHES NOMINAL IN
hole_diameter0.830 INCHES NOMINAL IN
recess_diameter0.645 INCHES NOMINAL IN
outside_diameter0.990 INCHES NOMINAL IN
style_designatorRECESSED
material_thickness0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
end_item_identification1430014493437
NSN5310-01-471-0733
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 13385378 · 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: RECESSED
•
OUTSIDE DIAMETER: 0.990 INCHES NOMINAL IN
•
RECESS DEPTH: 0.081 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
RECESS DIAMETER: 0.645 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOLE DIAMETER: 0.830 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECESSED
OUTSIDE DIAMETER0.990 INCHES NOMINAL IN
RECESS DEPTH0.081 INCHES NOMINAL IN
MATERIAL THICKNESS0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
RECESS DIAMETER0.645 INCHES NOMINAL IN
END ITEM IDENTIFICATION1430014493437
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.830 INCHES NOMINAL IN
RECESS ANGLE56.0 DEGREES NOMINAL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 13385378?
13385378 is a WASHER,RECESSED.
What is the NSN for 13385378?
13385378 is cataloged in the U.S. Government catalog under NSN 5310-01-471-0733. 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.