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33080073 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

33080073: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 12.2 MILLIMETERS MINIMUM AND 12.7 MILLIMETERS MAXIMUM MM, hardness_rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM, outside_diameter: 21.1 MILLIMETERS MAXIMUM MM, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: OXIDE FILM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-236-0466, 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
33080073
NSN: 5310-01-236-0466
FSC: 5310 — Nuts and Washers
CAGE: 27401 — CATERPILLAR PAVING PRODUCTS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter12.2 MILLIMETERS MINIMUM AND 12.7 MILLIMETERS MAXIMUM MM
hardness_rating44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
outside_diameter21.1 MILLIMETERS MAXIMUM MM
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentOXIDE FILM OVERALL
material_thickness2.35 MILLIMETERS MINIMUM AND 2.65 MILLIMETERS MAXIMUM MM
surface_treatment_document_and_classificationBN759,FSCM 21969 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-236-0466
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 33080073 · 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: BN759,FSCM 21969 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 21.1 MILLIMETERS MAXIMUM MM
•
MATERIAL THICKNESS: 2.35 MILLIMETERS MINIMUM AND 2.65 MILLIMETERS MAXIMUM MM
•
COLOR: BLACK OVERALL
•
SURFACE TREATMENT: OXIDE FILM OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONBN759,FSCM 21969 MFR REF SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER21.1 MILLIMETERS MAXIMUM MM
MATERIAL THICKNESS2.35 MILLIMETERS MINIMUM AND 2.65 MILLIMETERS MAXIMUM MM
COLORBLACK OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER12.2 MILLIMETERS MINIMUM AND 12.7 MILLIMETERS MAXIMUM MM
SUBSTITUTES & CROSS-REFERENCES 2
12MMReference document
Same NSN cross-reference
Reference document — Secondary reference
A 12 DIN 127Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 33080073?
33080073 is a WASHER,LOCK.
What parts can replace 33080073?
There are 2 known substitutes for 33080073: 12MM, A 12 DIN 127. Substitute compatibility should be verified for your specific system.
What is the NSN for 33080073?
33080073 is cataloged in the U.S. Government catalog under NSN 5310-01-236-0466. 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.