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3885074006 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3885074006: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 16.2 MILLIMETERS MINIMUM AND 17.0 MILLIMETERS MAXIMUM MM, outside_diameter: 24.4 MILLIMETERS MAXIMUM MM, special_features: LOCK WASHER DESIGNED FOR USE WITH SOCKET HEAD CAP SCREW; FINISH: D60, TYPE I PER FM100 MAGNI 575, style_designator: SPLIT HELICAL-LEFT HAND, material_thickness: 3.8 MILLIMETERS MINIMUM AND 4.2 MILLIMETERS MAXIMUM MM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-671-6670, 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
3885074006
NSN: 5310-01-671-6670
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter16.2 MILLIMETERS MINIMUM AND 17.0 MILLIMETERS MAXIMUM MM
outside_diameter24.4 MILLIMETERS MAXIMUM MM
special_featuresLOCK WASHER DESIGNED FOR USE WITH SOCKET HEAD CAP SCREW; FINISH: D60, TYPE I PER FM100 MAGNI 575
style_designatorSPLIT HELICAL-LEFT HAND
material_thickness3.8 MILLIMETERS MINIMUM AND 4.2 MILLIMETERS MAXIMUM MM
end_item_identification2320-01-652-5208
part_name_assigned_by_controlling_agencyWASH, LK, SPLIT, TAB, METRIC
NSN5310-01-671-6670
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3885074006 · 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: SPLIT HELICAL-LEFT HAND
•
OUTSIDE DIAMETER: 24.4 MILLIMETERS MAXIMUM MM
•
MATERIAL THICKNESS: 3.8 MILLIMETERS MINIMUM AND 4.2 MILLIMETERS MAXIMUM MM
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 16.2 MILLIMETERS MINIMUM AND 17.0 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-LEFT HAND
OUTSIDE DIAMETER24.4 MILLIMETERS MAXIMUM MM
MATERIAL THICKNESS3.8 MILLIMETERS MINIMUM AND 4.2 MILLIMETERS MAXIMUM MM
SPECIAL FEATURESLOCK WASHER DESIGNED FOR USE WITH SOCKET HEAD CAP SCREW; FINISH: D60, TYPE I PER FM100 MAGNI 575
PART NAME ASSIGNED BY CONTROLLING AGENCYWASH, LK, SPLIT, TAB, METRIC
END ITEM IDENTIFICATION2320-01-652-5208
MATERIALSTEEL OVERALL
HOLE DIAMETER16.2 MILLIMETERS MINIMUM AND 17.0 MILLIMETERS MAXIMUM MM
SUBSTITUTES & CROSS-REFERENCES 1
3885074Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3885074006?
3885074006 is a WASHER,LOCK.
What parts can replace 3885074006?
There is 1 known substitute for 3885074006: 3885074. Substitute compatibility should be verified for your specific system.
What is the NSN for 3885074006?
3885074006 is cataloged in the U.S. Government catalog under NSN 5310-01-671-6670. 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.