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202981 — MOUNTING ASSEMBLY

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

202981: MOUNTING ASSEMBLY.

The MOUNTING ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, hole_diameter: 0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN, first_leg_angle: 90.0 DEGREES NOMINAL, hardness_rating: 46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM, first_leg_length: 2.125 INCHES NOMINAL IN, outside_diameter: 0.493 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-087-0306, 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
MRO→ MRO_GENERAL→ 202981
NSN: 5310-00-087-0306
NIINs: 000870306, 005893641, 006701139
FSC: 5310 — Nuts and Washers
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
hole_diameter0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
first_leg_angle90.0 DEGREES NOMINAL
hardness_rating46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
first_leg_length2.125 INCHES NOMINAL IN
outside_diameter0.493 INCHES MAXIMUM IN
style_designatorANGLE
second_leg_length0.625 INCHES NOMINAL IN
material_thickness0.062 INCHES MINIMUM IN
first_leg_thickness0.064 INCHES NOMINAL IN
second_leg_thickness0.064 INCHES NOMINAL IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-087-0306
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 202981 · 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
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.493 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.062 INCHES MINIMUM IN
•
MATERIAL: STEEL COMP 420 OVERALL
•
HOLE DIAMETER: 0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.493 INCHES MAXIMUM IN
MATERIAL THICKNESS0.062 INCHES MINIMUM IN
MATERIALSTEEL COMP 420 OVERALL
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 202981?
202981 is a MOUNTING ASSEMBLY. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 202981?
202981 is cataloged in the U.S. Government catalog under NSN 5310-00-087-0306. This indicates validated use in U.S. government and defense supply chains.
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