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2.5-FO-E2 PARTS — 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 NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: HEXAGON, style_designator: CYLINDRICAL, thread_direction: RIGHT-HAND, end_item_identification: 3825-01-577-2713 DISTRIBUTOR, WATER, TANK TYPE, part_name_assigned_by_controlling_agency: M6 NUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-591-3931, 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
2.5-FO-E2 PARTS
NSN: 5310-01-591-3931
FSC: 5310
CAGE: 62797 — AMERICAN FARM IMPLEMENT AND SPECIALTY CO. INC. DBA AMERICAN ENTERPRISES DIV ENGINAIRE (USA)
SPECIFICATIONS
nut_styleHEXAGON
thread_seriesM
style_designatorCYLINDRICAL
thread_directionRIGHT-HAND
end_item_identification3825-01-577-2713 DISTRIBUTOR, WATER, TANK TYPE
thread_series_designatorM
part_name_assigned_by_controlling_agencyM6 NUT
NSN5310-01-591-3931
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2.5-FO-E2 PARTS · 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
•
NUT STYLE: HEXAGON
•
THREAD SERIES: M
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION3825-01-577-2713 DISTRIBUTOR, WATER, TANK TYPE
PART NAME ASSIGNED BY CONTROLLING AGENCYM6 NUT
NUT STYLEHEXAGON
THREAD SERIESM
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
68703Interchangeable
interchangeable cross-reference
interchangeable
68715Interchangeable
interchangeable cross-reference
interchangeable
68717Interchangeable
interchangeable cross-reference
interchangeable
68710Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2.5-FO-E2 PARTS?
2.5-FO-E2 PARTS is a NUT,PLAIN,HEXAGON.
What parts can replace 2.5-FO-E2 PARTS?
There are 4 known substitutes for 2.5-FO-E2 PARTS: 68703, 68715, 68717 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2.5-FO-E2 PARTS?
2.5-FO-E2 PARTS is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-591-3931. 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: September 2026