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GW502DH1 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

GW502DH1: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 0.439 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN, outside_diameter: 0.533 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, material_thickness: 0.022 INCHES NOMINAL IN, material_document_and_classification: QQ-P-330 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-261-6182, 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
GW502DH1
NSN: 5310-00-261-6182
FSC: 5310 — Nuts and Washers
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.439 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
outside_diameter0.533 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
material_thickness0.022 INCHES NOMINAL IN
material_document_and_classificationQQ-P-330 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-261-6182
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: GW502DH1 · 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: FLAT INTERNAL TEETH
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-P-330 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.533 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.022 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.439 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT INTERNAL TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-P-330 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.533 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
MATERIAL THICKNESS0.022 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.439 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
1922-04Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GW502DH1?
GW502DH1 is a WASHER,LOCK.
What parts can replace GW502DH1?
There is 1 known substitute for GW502DH1: 1922-04. Substitute compatibility should be verified for your specific system.
What is the NSN for GW502DH1?
GW502DH1 is cataloged in the U.S. Government catalog under NSN 5310-00-261-6182. 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.