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Technical Data Sheet

SAE1/4 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SAE1/4: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.051 MILLIMETERS MINIMUM AND 0.080 MILLIMETERS MAXIMUM MM, hole_diameter: 0.276 MILLIMETERS MINIMUM AND 0.296 MILLIMETERS MAXIMUM MM, outside_diameter: 0.620 MILLIMETERS MINIMUM AND 0.640 MILLIMETERS MAXIMUM MM, part_name_assigned_by_controlling_agency: SAE FLAT WASHER. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-690-9427, 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
SAE1/4
NSN: 5310-01-690-9427
FSC: 5310 — Nuts and Washers
CAGE: 65XX0 — FASTENER SUPERSTORE INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.051 MILLIMETERS MINIMUM AND 0.080 MILLIMETERS MAXIMUM MM
hole_diameter0.276 MILLIMETERS MINIMUM AND 0.296 MILLIMETERS MAXIMUM MM
outside_diameter0.620 MILLIMETERS MINIMUM AND 0.640 MILLIMETERS MAXIMUM MM
part_name_assigned_by_controlling_agencySAE FLAT WASHER
NSN5310-01-690-9427
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SAE1/4 · 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
•
OUTSIDE DIAMETER: 0.620 MILLIMETERS MINIMUM AND 0.640 MILLIMETERS MAXIMUM MM
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.276 MILLIMETERS MINIMUM AND 0.296 MILLIMETERS MAXIMUM MM
•
THICKNESS: 0.051 MILLIMETERS MINIMUM AND 0.080 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.620 MILLIMETERS MINIMUM AND 0.640 MILLIMETERS MAXIMUM MM
PART NAME ASSIGNED BY CONTROLLING AGENCYSAE FLAT WASHER
MATERIALSTEEL OVERALL
HOLE DIAMETER0.276 MILLIMETERS MINIMUM AND 0.296 MILLIMETERS MAXIMUM MM
THICKNESS0.051 MILLIMETERS MINIMUM AND 0.080 MILLIMETERS MAXIMUM MM
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 SAE1/4?
SAE1/4 is a WASHER,FLAT.
What is the NSN for SAE1/4?
SAE1/4 is cataloged in the U.S. Government catalog under NSN 5310-01-690-9427. This indicates validated use in U.S. government and defense supply chains.
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