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Technical Data Sheet
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25228R1 — Technical Data Sheet

✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include end_item_identification: MRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 1 OTHER WEAPON SYSTEM, part_name_assigned_by_controlling_agency: BOLT,HH 5/16-18X3/4 PHC TYP 8. This part is cataloged in the Federal Logistics Information System under NSN 5305-00-226-4825, 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
25228R1
NSN: 5305-00-226-4825
FSC: 5305
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
end_item_identificationMRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 1 OTHER WEAPON SYSTEM
part_name_assigned_by_controlling_agencyBOLT,HH 5/16-18X3/4 PHC TYP 8
NSN5305-00-226-4825
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 25228R1 · 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
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
THREAD QUANTITY PER INCH: 18
•
MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH LBS
•
FEATURES PROVIDED: FINISHED HEAD
•
SURFACE FINISH: 63.0 MICROINCHES THREADS
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429,GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
NOMINAL THREAD DIAMETER0.312 INCHES IN
THREAD QUANTITY PER INCH18
END ITEM IDENTIFICATIONRG-33 AUV MRAP; MEDIUM MINE PROTECTED VEHICLE - MMPV; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH LBS
FEATURES PROVIDEDFINISHED HEAD
SURFACE FINISH63.0 MICROINCHES THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429,GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
213PInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
D121InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S256InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
8N6505AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S1888InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
VE-815InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 25228R1?
25228R1 is a BOLT,MACHINE.
What parts can replace 25228R1?
There are 30 known substitutes for 25228R1: 213P, D121, S256 and 27 more. Substitute compatibility should be verified for your specific system.
Is 25228R1 still available?
25228R1 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: October 2026