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PartsTable / COMPONENT / 1819182-001
1819182-001 ✓ 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 WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, thickness: 0.037 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN, hole_diameter: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, overall_diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-297-1258, 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
1819182-001
NSN: 5310-01-297-1258
FSC: 5310
CAGE: 79274 — WESTERN GASKET AND PACKING CO (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
thickness0.037 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
hole_diameter0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
overall_diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-297-1258
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1819182-001 · 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
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
THICKNESS: 0.037 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OVERALL DIAMETER: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
HOLE DIAMETER: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
THICKNESS0.037 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
31-52Interchangeable
interchangeable cross-reference
interchangeable
57400Interchangeable
interchangeable cross-reference
interchangeable
82C812-002Interchangeable
interchangeable cross-reference
interchangeable
64Interchangeable
interchangeable cross-reference
interchangeable
TRIPLETT 64Interchangeable
interchangeable cross-reference
interchangeable
2AN503Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1819182-001?
1819182-001 is a WASHER,FLAT.
What parts can replace 1819182-001?
There are 15 known substitutes for 1819182-001: 31-52, 57400, 82C812-002 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1819182-001?
1819182-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-297-1258. 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