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Technical Data Sheet
PartsTable / COMPONENT / FF-W-92B
FF-W-92B ✓ 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 color: BLACK OVERALL, thickness: 0.032 INCHES NOMINAL IN, hole_diameter: 0.156 INCHES NOMINAL IN, heat_treatment: AS FABRICATED, surface_finish: 63.0 MICROINCHES ALL SURFACES, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-9277, 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
FF-W-92B
NSN: 5310-00-010-9277
FSC: 5310
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
colorBLACK OVERALL
thickness0.032 INCHES NOMINAL IN
hole_diameter0.156 INCHES NOMINAL IN
heat_treatmentAS FABRICATED
surface_finish63.0 MICROINCHES ALL SURFACES
hardness_rating30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
overall_diameter0.500 INCHES NOMINAL IN
special_features0.031 IN. BY 45 DEG CHAMFER ON ONE OUTSIDE EDGE IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationC130J HERCULES FIXED WING ACFT.
NSN5310-00-010-9277
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FF-W-92B · 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
•
OVERALL DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.266 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 0.050 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.266 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.050 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES

No verified substitutes available.

LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-W-92B?
FF-W-92B is a WASHER,FLAT.
What is the NSN for FF-W-92B?
FF-W-92B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-9277. 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