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Technical Data Sheet
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174825 ✓ 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 SHAFT ASSEMBLY,SHOULDERED is a the manufacturer industrial component. Key specifications include special_features: NAVAIR (USN/USMC AVIATION (AIR TRAFFIC CONTROL)) REFER TO OPNAVINST 3721.5M., end_item_identification: DIGITAL TERMINAL RADAR AIRPORT SURVEILLANCE RADAR (ASR11), part_name_assigned_by_controlling_agency: PINION ASSEMBLY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-017-4825, 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
174825
NSN: 5310-00-017-4825
FSC: 5310
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
special_featuresNAVAIR (USN/USMC AVIATION (AIR TRAFFIC CONTROL)) REFER TO OPNAVINST 3721.5M.
end_item_identificationDIGITAL TERMINAL RADAR AIRPORT SURVEILLANCE RADAR (ASR11)
part_name_assigned_by_controlling_agencyPINION ASSEMBLY
NSN5310-00-017-4825
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 174825 · 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
•
NUT HEIGHT: 0.734 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
THREAD QUANTITY PER INCH: 10
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
WIDTH ACROSS FLATS: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.734 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.750 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD QUANTITY PER INCH10
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
WIDTH ACROSS FLATS1.250 INCHES NOMINAL IN
NUT STYLEHEXAGON
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 8 STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
M851UPCNUTInterchangeable
interchangeable cross-reference
interchangeable
53Interchangeable
interchangeable cross-reference
interchangeable
DS863Interchangeable
interchangeable cross-reference
interchangeable
82226S61-181PC11Interchangeable
interchangeable cross-reference
interchangeable
10X16Interchangeable
interchangeable cross-reference
interchangeable
ENJ27-1PC18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 174825?
174825 is a SHAFT ASSEMBLY,SHOULDERED.
What parts can replace 174825?
There are 14 known substitutes for 174825: M851UPCNUT, 53, DS863 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 174825?
174825 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-017-4825. 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