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1133207 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1133207: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include width: 1.00 INCHES NOMINAL IN, length: 1.00 INCHES NOMINAL IN, material: STEEL OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.281 INCHES NOMINAL IN, overall_diameter: 1.00 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-669-1413, 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
1133207
NSN: 5310-01-669-1413
FSC: 5310 — Nuts and Washers
CAGE: 49181 — FASTENAL COMPANY DIV BIND (USA)
SPECIFICATIONS
width1.00 INCHES NOMINAL IN
length1.00 INCHES NOMINAL IN
materialSTEEL OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.281 INCHES NOMINAL IN
overall_diameter1.00 INCHES NOMINAL IN
special_featuresLOW CARBON; FITS A 0.25 INCH BOLT; WEIGHT: 1.32 OUNCES; OZ
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
end_item_identificationSONAR TA TICA
part_name_assigned_by_controlling_agencyWASHER,FLAT
NSN5310-01-669-1413
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1133207 · 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
•
LENGTH: 1.00 INCHES NOMINAL IN
•
OVERALL DIAMETER: 1.00 INCHES NOMINAL IN
•
COLOR: SILVER OVERALL
•
SURFACE TREATMENT: ZINC OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
WIDTH: 1.00 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH1.00 INCHES NOMINAL IN
OVERALL DIAMETER1.00 INCHES NOMINAL IN
COLORSILVER OVERALL
SPECIAL FEATURESLOW CARBON; FITS A 0.25 INCH BOLT; WEIGHT: 1.32 OUNCES; OZ
SURFACE TREATMENTZINC OVERALL
PERIPHERAL SHAPE STYLEROUND
WIDTH1.00 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,FLAT
END ITEM IDENTIFICATIONSONAR TA TICA
MATERIALSTEEL OVERALL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1133207?
1133207 is a WASHER,FLAT.
What is the NSN for 1133207?
1133207 is cataloged in the U.S. Government catalog under NSN 5310-01-669-1413. 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.