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W212NAC0022NN408ANQB1 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

W212NAC0022NN408ANQB1: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, hole_diameter: 2.2 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM MM, heat_treatment: ANNEALED, outside_diameter: 4.4 MILLIMETERS MINIMUM AND 4.7 MILLIMETERS MAXIMUM MM, style_designator: FLAT INTERNAL TEETH, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-652-3807, 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
W212NAC0022NN408ANQB1
NSN: 5310-01-652-3807
FSC: 5310 — Nuts and Washers
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
hole_diameter2.2 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM MM
heat_treatmentANNEALED
outside_diameter4.4 MILLIMETERS MINIMUM AND 4.7 MILLIMETERS MAXIMUM MM
style_designatorFLAT INTERNAL TEETH
surface_treatmentPASSIVATE OVERALL
material_thickness0.25 MILLIMETERS MINIMUM AND 0.35 MILLIMETERS MAXIMUM MM
specification/standard_data05047-ASME B18.24-2004 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
part_name_assigned_by_controlling_agencyWASHER,LOCK,INTERNAL TOOTH
surface_treatment_document_and_classificationSAE-AMS-QQ-P-35,TYPE VI NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-652-3807
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: W212NAC0022NN408ANQB1 · 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: SAE-AMS-QQ-P-35,TYPE VI NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HEAT TREATMENT: ANNEALED
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
OUTSIDE DIAMETER: 4.4 MILLIMETERS MINIMUM AND 4.7 MILLIMETERS MAXIMUM MM
•
MATERIAL THICKNESS: 0.25 MILLIMETERS MINIMUM AND 0.35 MILLIMETERS MAXIMUM MM
•
SPECIFICATION/STANDARD DATA: 05047-ASME B18.24-2004 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSAE-AMS-QQ-P-35,TYPE VI NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAT TREATMENTANNEALED
STYLE DESIGNATORFLAT INTERNAL TEETH
OUTSIDE DIAMETER4.4 MILLIMETERS MINIMUM AND 4.7 MILLIMETERS MAXIMUM MM
MATERIAL THICKNESS0.25 MILLIMETERS MINIMUM AND 0.35 MILLIMETERS MAXIMUM MM
SPECIFICATION/STANDARD DATA05047-ASME B18.24-2004 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENTPASSIVATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,LOCK,INTERNAL TOOTH
MATERIALSTEEL COMP 304 OVERALL
HOLE DIAMETER2.2 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM MM
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 W212NAC0022NN408ANQB1?
W212NAC0022NN408ANQB1 is a WASHER,LOCK.
What is the NSN for W212NAC0022NN408ANQB1?
W212NAC0022NN408ANQB1 is cataloged in the U.S. Government catalog under NSN 5310-01-652-3807. 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.