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9M70B2 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

9M70B2: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1050 OVERALL, hole_diameter: 0.570 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN, outside_diameter: 0.812 INCHES NOMINAL IN, style_designator: INTERNAL KEY, surface_treatment: CADMIUM OVERALL, material_thickness: 0.040 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-033-4617, 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
9M70B2
NSN: 5310-00-033-4617
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 1050 OVERALL
hole_diameter0.570 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
outside_diameter0.812 INCHES NOMINAL IN
style_designatorINTERNAL KEY
surface_treatmentCADMIUM OVERALL
material_thickness0.040 INCHES NOMINAL IN
internal_key_quantity2
internal_straight_key_width0.045 INCHES NOMINAL IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_centerline_to_top_of_internal_key0.236 INCHES NOMINAL IN
NSN5310-00-033-4617
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9M70B2 · 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
•
INTERNAL STRAIGHT KEY WIDTH: 0.045 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.236 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INTERNAL KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.812 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL COMP 1050 OVERALL
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.045 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.236 INCHES NOMINAL IN
STYLE DESIGNATORINTERNAL KEY
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.812 INCHES NOMINAL IN
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 1050 OVERALL
INTERNAL KEY QUANTITY2
HOLE DIAMETER0.570 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
295852Reference 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 9M70B2?
9M70B2 is a WASHER,KEY.
What parts can replace 9M70B2?
There is 1 known substitute for 9M70B2: 295852. Substitute compatibility should be verified for your specific system.
What is the NSN for 9M70B2?
9M70B2 is cataloged in the U.S. Government catalog under NSN 5310-00-033-4617. 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.