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Technical Data Sheet
PartsTable / COMPONENT / 20-460-6
20-460-6 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The GASKET,PITOT AND ST is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL, hole_diameter: 0.512 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN, outside_diameter: 1.220 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN, style_designator: FLAT EXTERNAL AND INTERNAL TEETH, surface_treatment: CADMIUM OR ZINC OVERALL, material_thickness: 0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-017-8591, 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
20-460-6
NSN: 5310-00-017-8591
FSC: 5310
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
hole_diameter0.512 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
outside_diameter1.220 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
style_designatorFLAT EXTERNAL AND INTERNAL TEETH
surface_treatmentCADMIUM OR ZINC OVERALL
material_thickness0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-633,FS 1060 TO FS 1080 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-017-8591
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20-460-6 · 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: CADMIUM OR ZINC OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,FS 1060 TO FS 1080 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: FLAT EXTERNAL AND INTERNAL TEETH
•
MATERIAL: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
•
OUTSIDE DIAMETER: 1.220 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.512 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,FS 1060 TO FS 1080 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORFLAT EXTERNAL AND INTERNAL TEETH
MATERIALSTEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
OUTSIDE DIAMETER1.220 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
HOLE DIAMETER0.512 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
MATERIAL THICKNESS0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
204-606Interchangeable
interchangeable cross-reference
interchangeable
12759-00128Interchangeable
interchangeable cross-reference
interchangeable
178591Interchangeable
interchangeable cross-reference
interchangeable
33764Interchangeable
interchangeable cross-reference
interchangeable
PC178591Interchangeable
Same NIIN cross-reference
interchangeable
451529Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-460-6?
20-460-6 is a GASKET,PITOT AND ST.
What parts can replace 20-460-6?
There are 10 known substitutes for 20-460-6: 204-606, 12759-00128, 178591 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-460-6?
20-460-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-017-8591. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026