PartsTable
Technical Data Sheet

HW1-3/4 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

HW1-3/4: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.108 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN, hole_diameter: 0.809 INCHES MINIMUM AND 0.842 INCHES MAXIMUM IN, overall_diameter: 1.462 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-413-5136, 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
HW1-3/4
NSN: 5310-01-413-5136
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.108 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
hole_diameter0.809 INCHES MINIMUM AND 0.842 INCHES MAXIMUM IN
overall_diameter1.462 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM F844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-413-5136
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HW1-3/4 · 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: 1.462 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM F844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.809 INCHES MINIMUM AND 0.842 INCHES MAXIMUM IN
•
THICKNESS: 0.108 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.462 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM F844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.809 INCHES MINIMUM AND 0.842 INCHES MAXIMUM IN
THICKNESS0.108 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 4
122-2404761 PC 53Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
845-6603141-28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
122-2404752 PC 34Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
3/4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 HW1-3/4?
HW1-3/4 is a WASHER,FLAT.
What parts can replace HW1-3/4?
There are 4 known substitutes for HW1-3/4: 122-2404761 PC 53, 845-6603141-28, 122-2404752 PC 34 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HW1-3/4?
HW1-3/4 is cataloged in the U.S. Government catalog under NSN 5310-01-413-5136. 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.