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225851 ✓ 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 TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include end_item_identification: 3830-01-562-6695 WINCH,ATTACHMENT, part_name_assigned_by_controlling_agency: WASHER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-022-5851, 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
225851
NSN: 5310-00-022-5851
FSC: 5310
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
end_item_identification3830-01-562-6695 WINCH,ATTACHMENT
part_name_assigned_by_controlling_agencyWASHER
NSN5310-00-022-5851
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 225851 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH ACROSS FLATS: 0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 28
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
THREAD CLASS: 2B
•
THREAD SERIES: UNF
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH28
NOMINAL THREAD SIZE0.250 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD CLASS2B
THREAD SERIESUNF
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
NUT HEIGHT0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAA TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
DS-25Interchangeable
interchangeable cross-reference
interchangeable
SX110-7ID020Interchangeable
interchangeable cross-reference
interchangeable
SX110-7Interchangeable
interchangeable cross-reference
interchangeable
397333Interchangeable
interchangeable cross-reference
interchangeable
364947Interchangeable
interchangeable cross-reference
interchangeable
2595Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 225851?
225851 is a TUBE ASSEMBLY,METAL.
What parts can replace 225851?
There are 24 known substitutes for 225851: DS-25, SX110-7ID020, SX110-7 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 225851?
225851 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-022-5851. 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