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GW502CL13 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

GW502CL13: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-12 OVERALL, hole_diameter: 0.385 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN, outside_diameter: 1.000 INCHES NOMINAL IN, special_features: CSK 90 DEG X .425 - .440 DIA, style_designator: RECESSED, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-381-9998, 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
GW502CL13
NSN: 5310-01-381-9998
FSC: 5310 — Nuts and Washers
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP XM-12 OVERALL
hole_diameter0.385 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
outside_diameter1.000 INCHES NOMINAL IN
special_featuresCSK 90 DEG X .425 - .440 DIA
style_designatorRECESSED
surface_treatmentPASSIVATE OVERALL
material_thickness0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
NSN5310-01-381-9998
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: GW502CL13 · 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: 1.000 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP XM-12 OVERALL
•
HOLE DIAMETER: 0.385 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECESSED
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
SPECIAL FEATURESCSK 90 DEG X .425 - .440 DIA
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP XM-12 OVERALL
HOLE DIAMETER0.385 INCHES MINIMUM AND 0.392 INCHES MAXIMUM 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 GW502CL13?
GW502CL13 is a WASHER,RECESSED.
What is the NSN for GW502CL13?
GW502CL13 is cataloged in the U.S. Government catalog under NSN 5310-01-381-9998. 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.