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3254FX1 — Technical Data Sheet

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— · 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: 0.160 INCHES NOMINAL IN, hole_diameter: 0.660 INCHES NOMINAL IN, hardness_rating: 84.0 ROCKWELL B MINIMUM, overall_diameter: 2.000 INCHES NOMINAL IN, surface_treatment: CADMIUM OR ZINC OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5310-01-105-7240, 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
3254FX1
NSN: 5310-01-105-7240
FSC: 5310
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.160 INCHES NOMINAL IN
hole_diameter0.660 INCHES NOMINAL IN
hardness_rating84.0 ROCKWELL B MINIMUM
overall_diameter2.000 INCHES NOMINAL IN
surface_treatmentCADMIUM OR ZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationBW-159-M,NO 1,TEMPER HARD,FSCM 06853 MFR REF SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationBW-101B-P,FSCM 06853 MFR REF 1ST TREATMENT RESPONSE OR BW-162B-P,FSCM 06853 MFR REF 2ND TREATMENT RESPONSE OVERALL
NSN5310-01-105-7240
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3254FX1 · 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: 2.000 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: BW-101B-P,FSCM 06853 MFR REF 1ST TREATMENT RESPONSE OR BW-162B-P,FSCM 06853 MFR REF 2ND TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: BW-159-M,NO 1,TEMPER HARD,FSCM 06853 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.660 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HARDNESS RATING: 84.0 ROCKWELL B MINIMUM
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.000 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONBW-101B-P,FSCM 06853 MFR REF 1ST TREATMENT RESPONSE OR BW-162B-P,FSCM 06853 MFR REF 2ND TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONBW-159-M,NO 1,TEMPER HARD,FSCM 06853 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.660 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING84.0 ROCKWELL B MINIMUM
THICKNESS0.160 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
000-615-1203InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
54527InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
231436InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
TM-217 454Q ITEM 77InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3254FX1?
3254FX1 is a WASHER,FLAT.
What parts can replace 3254FX1?
There are 4 known substitutes for 3254FX1: 000-615-1203, 54527, 231436 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3254FX1?
3254FX1 is cataloged in the Federal Logistics Information System under NSN 5310-01-105-7240. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026