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WG105390 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

WG105390: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 1.254 INCHES MINIMUM AND 1.272 INCHES MAXIMUM IN, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM, outside_diameter: 2.028 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: CADMIUM AND CHROMATE OVERALL, material_thickness: 0.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-060-9435, 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
WG105390
NSN: 5310-00-060-9435
FSC: 5310 — Nuts and Washers
CAGE: 3X894 — CONTROL FLOW, INC. DBA CONTROL FLOW INC (USA)
SPECIFICATIONS
hole_diameter1.254 INCHES MINIMUM AND 1.272 INCHES MAXIMUM IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
outside_diameter2.028 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.312 INCHES NOMINAL IN
nondefinitive_spec/std_data1 STYLE AND A CLASS
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-060-9435
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: WG105390 · 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: QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 2.028 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.312 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 1 STYLE AND A CLASS
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER2.028 INCHES MAXIMUM IN
MATERIAL THICKNESS0.312 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1 STYLE AND A CLASS
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL COMP 1060 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1071 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
HOLE DIAMETER1.254 INCHES MINIMUM AND 1.272 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 7
131050Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
FFW84Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
MS35338-36Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
E108165 FIND NO 254Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
131211Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
MS35338-55Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is WG105390?
WG105390 is a WASHER,LOCK.
What parts can replace WG105390?
There are 7 known substitutes for WG105390: 131050, FFW84, MS35338-36 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WG105390?
WG105390 is cataloged in the U.S. Government catalog under NSN 5310-00-060-9435. 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.