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Technical Data Sheet

HW1-5/16 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

HW1-5/16: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, hole_diameter: 0.339 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, overall_diameter: 0.682 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-413-5134, 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
HW1-5/16
NSN: 5310-01-413-5134
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
hole_diameter0.339 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
overall_diameter0.682 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-413-5134
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HW1-5/16 · 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: 0.682 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.339 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
•
THICKNESS: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.682 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.339 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
THICKNESS0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM 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 3
5/16Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
122-2404760 PC 41Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
845-6603141-123Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 HW1-5/16?
HW1-5/16 is a WASHER,FLAT.
What parts can replace HW1-5/16?
There are 3 known substitutes for HW1-5/16: 5/16, 122-2404760 PC 41, 845-6603141-123. Substitute compatibility should be verified for your specific system.
What is the NSN for HW1-5/16?
HW1-5/16 is cataloged in the U.S. Government catalog under NSN 5310-01-413-5134. This indicates validated use in U.S. government and defense supply chains.
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