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PartsTable / COMPONENT / FFW92TYPEAGRADE1CLASSF
FFW92TYPEAGRADE1CLASSF ✓ 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: COPPER ALLOY OVERALL, thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, hole_diameter: 0.5156 INCHES NOMINAL IN, overall_diameter: 0.875 INCHES NOMINAL 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 5310-00-083-7088, 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
FFW92TYPEAGRADE1CLASSF
NSN: 5310-00-083-7088
FSC: 5310
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thickness0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
hole_diameter0.5156 INCHES NOMINAL IN
overall_diameter0.875 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationNSN 2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM)
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE AND F CLASS
departure_from_cited_designatorAS MODIFIED BY ID AND THK
material_document_and_classificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-083-7088
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FFW92TYPEAGRADE1CLASSF · 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
•
THICKNESS: 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-576,COLD ROLLED,HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.183 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.433 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE AND F CLASS
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-576,COLD ROLLED,HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.183 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.433 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND F CLASS
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
SP4698Interchangeable
interchangeable cross-reference
interchangeable
FFW92TYPEAGRADE1CLASSFInterchangeable
interchangeable cross-reference
interchangeable
51176PC9Interchangeable
interchangeable cross-reference
interchangeable
116103Interchangeable
interchangeable cross-reference
interchangeable
6382DFB6382AInterchangeable
interchangeable cross-reference
interchangeable
5179709Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFW92TYPEAGRADE1CLASSF?
FFW92TYPEAGRADE1CLASSF is a WASHER,FLAT.
What parts can replace FFW92TYPEAGRADE1CLASSF?
There are 14 known substitutes for FFW92TYPEAGRADE1CLASSF: SP4698, FFW92TYPEAGRADE1CLASSF, 51176PC9 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FFW92TYPEAGRADE1CLASSF?
FFW92TYPEAGRADE1CLASSF is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-083-7088. 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