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V043566 — WASHER,SEAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

V043566: WASHER,SEAL.

The WASHER,SEAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, hole_diameter: 0.275 INCHES NOMINAL0.275 INCHES NOMINAL IN, overall_height: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, hardness_rating: 70.0 DUROMETER NOMINAL70.0 DUROMETER NOMINAL, outside_diameter: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN, supplementary_features: TEMP RANGE-M45F DEG TO 250F DEG. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-574-9776, 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
V043566
NSN: 5310-01-574-9776
FSC: 5310 — Nuts and Washers
CAGE: 1V7Q3 — LUDLUM MEASUREMENTS, INC. DBA VPI TECHNOLOGY DIV VPI TECHNOLOGY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
hole_diameter0.275 INCHES NOMINAL0.275 INCHES NOMINAL IN
overall_height0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
hardness_rating70.0 DUROMETER NOMINAL70.0 DUROMETER NOMINAL
outside_diameter0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
supplementary_featuresTEMP RANGE-M45F DEG TO 250F DEG
end_item_identification4520-01-566-6669, HEATER,WATER 400,004520-01-566-6669, HEATER,WATER 400,00
part_name_assigned_by_controlling_agencyNEOPRENE-BONDED 18-8 SS WASHERNEOPRENE-BONDED 18-8 SS WASHER
NSN5310-01-574-9776
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: V043566 · 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
•
SUPPLEMENTARY FEATURES: TEMP RANGE-M45F DEG TO 250F DEG
•
HARDNESS RATING: 70.0 DUROMETER NOMINAL70.0 DUROMETER NOMINAL
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
•
COLOR: BLACK OVERALL
•
MATERIAL: STEEL CORROSION RESISTING BODY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
SUPPLEMENTARY FEATURESTEMP RANGE-M45F DEG TO 250F DEG
HARDNESS RATING70.0 DUROMETER NOMINAL70.0 DUROMETER NOMINAL
OUTSIDE DIAMETER0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
COLORBLACK OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNEOPRENE-BONDED 18-8 SS WASHERNEOPRENE-BONDED 18-8 SS WASHER
END ITEM IDENTIFICATION4520-01-566-6669, HEATER,WATER 400,004520-01-566-6669, HEATER,WATER 400,00
MATERIALSTEEL CORROSION RESISTING BODY
MATERIALRUBBER NEOPRENE SEALING ELEMENT
HOLE DIAMETER0.275 INCHES NOMINAL0.275 INCHES NOMINAL IN
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 1
94709A416Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is V043566?
V043566 is a WASHER,SEAL.
What parts can replace V043566?
There is 1 known substitute for V043566: 94709A416. Substitute compatibility should be verified for your specific system.
What is the NSN for V043566?
V043566 is cataloged in the U.S. Government catalog under NSN 5310-01-574-9776. 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.