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1NU62 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1NU62: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, thickness: 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, hole_diameter: 0.1875 INCHES NOMINAL IN, hardness_rating: 80.0 ROCKWELL B NOMINAL, overall_diameter: 0.4375 INCHES NOMINAL IN, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-612-5499, 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
1NU62
NSN: 5310-01-612-5499
FSC: 5310 — Nuts and Washers
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
thickness0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
hole_diameter0.1875 INCHES NOMINAL IN
hardness_rating80.0 ROCKWELL B NOMINAL
overall_diameter0.4375 INCHES NOMINAL IN
special_featuresFITS BOLT SIZE NUMBER 8;WASHER SHOULD BE USED WITH 93 DEGREE FLAT AND OVAL HEAD COUNTERSUNK SCREWS;MEETS/EXCEEDS ANSI B18.22.1
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyWASHER,FLAT
NSN5310-01-612-5499
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1NU62 · 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
•
OVERALL DIAMETER: 0.4375 INCHES NOMINAL IN
•
HARDNESS RATING: 80.0 ROCKWELL B NOMINAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
COLOR: SILVER OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 316 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.4375 INCHES NOMINAL IN
HARDNESS RATING80.0 ROCKWELL B NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
COLORSILVER OVERALL
SPECIAL FEATURESFITS BOLT SIZE NUMBER 8;WASHER SHOULD BE USED WITH 93 DEGREE FLAT AND OVAL HEAD COUNTERSUNK SCREWS;MEETS/EXCEEDS ANSI B18.22.1
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,FLAT
MATERIALSTEEL COMP 316 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.1875 INCHES NOMINAL IN
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1NU62?
1NU62 is a WASHER,FLAT.
What is the NSN for 1NU62?
1NU62 is cataloged in the U.S. Government catalog under NSN 5310-01-612-5499. This indicates validated use in U.S. government and defense supply chains.
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