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PartsTable / COMPONENT / FFW92TYPEAGRADEICLASSA
FFW92TYPEAGRADEICLASSA ✓ 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: STEEL OVERALL, thickness: 0.136 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN, hole_diameter: 1.055 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN, overall_diameter: 2.500 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, peripheral_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 5310-00-187-5349, 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
FFW92TYPEAGRADEICLASSA
NSN: 5310-00-187-5349
FSC: 5310
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.136 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
hole_diameter1.055 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
overall_diameter2.500 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE AND A CLASS
material_document_and_classificationQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-187-5349
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FFW92TYPEAGRADEICLASSA · 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
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE AND A CLASS
•
MATERIAL: STEEL OVERALL
•
THICKNESS: 0.108 INCHES MINIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OVERALL DIAMETER: 1.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND A CLASS
MATERIALSTEEL OVERALL
THICKNESS0.108 INCHES MINIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER1.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
5310009826562Interchangeable
interchangeable cross-reference
interchangeable
131002Interchangeable
interchangeable cross-reference
interchangeable
FFW92TYPEAGRADEICLASSAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFW92TYPEAGRADEICLASSA?
FFW92TYPEAGRADEICLASSA is a WASHER,FLAT.
What parts can replace FFW92TYPEAGRADEICLASSA?
There are 3 known substitutes for FFW92TYPEAGRADEICLASSA: 5310009826562, 131002, FFW92TYPEAGRADEICLASSA. Substitute compatibility should be verified for your specific system.
What is the NSN for FFW92TYPEAGRADEICLASSA?
FFW92TYPEAGRADEICLASSA is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-187-5349. 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