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Technical Data Sheet
PartsTable / COMPONENT / 6KK574
6KK574 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include special_features: NHA IS ADAPTER, STRAIGHT, P/N 16-12F40X-S;FOR BSPP THREAD 3/4, end_item_identification: HIMARS, RSV, MK37, 2320-01-504-5218, part_name_assigned_by_controlling_agency: RETAINER RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-526-5962, 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
6KK574
NSN: 5325-01-526-5962
FSC: 5325
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
special_featuresNHA IS ADAPTER, STRAIGHT, P/N 16-12F40X-S;FOR BSPP THREAD 3/4
end_item_identificationHIMARS, RSV, MK37, 2320-01-504-5218
part_name_assigned_by_controlling_agencyRETAINER RING
NSN5325-01-526-5962
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6KK574 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER RING
END ITEM IDENTIFICATIONHIMARS, RSV, MK37, 2320-01-504-5218
SPECIAL FEATURESNHA IS ADAPTER, STRAIGHT, P/N 16-12F40X-S;FOR BSPP THREAD 3/4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
82-0-73-4Interchangeable
interchangeable cross-reference
interchangeable
1330-G980Interchangeable
interchangeable cross-reference
interchangeable
8207-3/4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6KK574?
6KK574 is a RING,RETAINING.
What parts can replace 6KK574?
There are 3 known substitutes for 6KK574: 82-0-73-4, 1330-G980, 8207-3/4. Substitute compatibility should be verified for your specific system.
What is the NSN for 6KK574?
6KK574 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-526-5962. 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