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Technical Data Sheet
PartsTable / COMPONENT / 8574
8574 ✓ 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

PANEL,PROTECTION,ELECTRICAL SYST. Key specifications include part_name_assigned_by_controlling_agency: SPECTACLE KIT CAGE TYPE MEDIUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-637-0827, 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
8574
NSN: 5310-00-637-0827
FSC: 5310
CAGE: 28265 — HERCULES ENGINE CO INC (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencySPECTACLE KIT CAGE TYPE MEDIUM
NSN5310-00-637-0827
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8574 · 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
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
THREAD QUANTITY PER INCH: 16
•
THREAD SERIES: UNF
•
BEARING SURFACE TYPE: CHAMFERED
•
WIDTH ACROSS FLATS: 1.062 INCHES NOMINAL IN
•
NUT HEIGHT: 1.375 INCHES NOMINAL IN
•
THREAD CLASS: 2B
•
MATERIAL: STEEL COMP 1212 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.750 INCHES IN
THREAD QUANTITY PER INCH16
THREAD SERIESUNF
BEARING SURFACE TYPECHAMFERED
WIDTH ACROSS FLATS1.062 INCHES NOMINAL IN
NUT HEIGHT1.375 INCHES NOMINAL IN
THREAD CLASS2B
MATERIALSTEEL COMP 1212 OVERALL
NUT STYLECAP
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
8574Interchangeable
interchangeable cross-reference
interchangeable
835-010Interchangeable
interchangeable cross-reference
interchangeable
0061120-010Interchangeable
interchangeable cross-reference
interchangeable
10093968Interchangeable
interchangeable cross-reference
interchangeable
6540NCM082657Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8574?
8574 is a PANEL,PROTECTION,ELECTRICAL SYST.
What parts can replace 8574?
There are 5 known substitutes for 8574: 8574, 835-010, 0061120-010 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8574?
8574 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-637-0827. 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