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Technical Data Sheet

EZFW 1/4 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

EZFW 1/4: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include length: 0.734 INCHES NOMINAL IN, special_features: PACKAGE QUANTITY 100, WEIGHT 0.5 POUNDS, PITCH 20 LBS, center_hole_length: 0.312 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND, cross-sectional_shape_style: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-674-6104, 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
EZFW 1/4
NSN: 5310-01-674-6104
FSC: 5310 — Nuts and Washers
CAGE: 47DZ5 — CABLOFIL INC. (USA)
SPECIFICATIONS
length0.734 INCHES NOMINAL IN
special_featuresPACKAGE QUANTITY 100, WEIGHT 0.5 POUNDS, PITCH 20 LBS
center_hole_length0.312 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyFLAT WASHER
NSN5310-01-674-6104
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: EZFW 1/4 · 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
•
CENTER HOLE LENGTH: 0.312 INCHES NOMINAL IN
•
LENGTH: 0.734 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
CENTER HOLE LENGTH0.312 INCHES NOMINAL IN
LENGTH0.734 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESPACKAGE QUANTITY 100, WEIGHT 0.5 POUNDS, PITCH 20 LBS
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYFLAT WASHER
CENTER HOLE SHAPE STYLEROUND
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is EZFW 1/4?
EZFW 1/4 is a WASHER,FLAT.
What is the NSN for EZFW 1/4?
EZFW 1/4 is cataloged in the U.S. Government catalog under NSN 5310-01-674-6104. 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.