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133B6663-11 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

133B6663-11: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, thickness: 0.090 INCHES NOMINAL IN, hole_diameter: 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM, overall_diameter: 1.000 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN, surface_treatment: PHOSPHATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-152-5467, 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
133B6663-11
NSN: 5310-00-152-5467
FSC: 5310 — Nuts and Washers
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
thickness0.090 INCHES NOMINAL IN
hole_diameter0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
overall_diameter1.000 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN
surface_treatmentPHOSPHATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
surface_treatment_document_and_classificationMIL-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-P-16232,TY Z,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-152-5467
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 133B6663-11 · 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: MIL-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-P-16232,TY Z,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 1.000 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-P-16232,TY Z,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER1.000 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPHOSPHATE OVERALL
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALSTEEL COMP 4130 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 133B6663-11?
133B6663-11 is a WASHER,FLAT.
What is the NSN for 133B6663-11?
133B6663-11 is cataloged in the U.S. Government catalog under NSN 5310-00-152-5467. This indicates validated use in U.S. government and defense supply chains.
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