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1133820 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1133820: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.134 INCHES NOMINAL IN, hole_diameter: 0.823 INCHES NOMINAL IN, overall_diameter: 1.481 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-648-0543, 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
1133820
NSN: 5310-01-648-0543
FSC: 5310 — Nuts and Washers
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.134 INCHES NOMINAL IN
hole_diameter0.823 INCHES NOMINAL IN
overall_diameter1.481 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationR19TM900GPMFL
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agency3/4" FLAT WASHER, THRU-HARDENED HIGH STRENGTH
surface_treatment_document_and_classificationASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-648-0543
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1133820 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 1.481 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
COLOR: YELLOW OVERALL
•
SURFACE TREATMENT: ZINC OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER1.481 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
COLORYELLOW OVERALL
SURFACE TREATMENTZINC OVERALL
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCY3/4" FLAT WASHER, THRU-HARDENED HIGH STRENGTH
END ITEM IDENTIFICATIONR19TM900GPMFL
MATERIALSTEEL OVERALL
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1133820?
1133820 is a WASHER,FLAT.
What is the NSN for 1133820?
1133820 is cataloged in the U.S. Government catalog under NSN 5310-01-648-0543. This indicates validated use in U.S. government and defense supply chains.
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