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Technical Data Sheet
PartsTable / COMPONENT / MIL-S-1222, GRA DE-2, TY-1
MIL-S-1222, GRA DE-2, TY-1 ✓ 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 MIL-S-1222, GRA DE-2, TY-1 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-327-3526, 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
MIL-S-1222, GRA DE-2, TY-1
NSN: 5306-01-327-3526
FSC: 5306
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberMIL-S-1222, GRA DE-2, TY-1
NSN5306-01-327-3526
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MIL-S-1222, GRA DE-2, TY-1 · 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
•
WIDTH BETWEEN FLATS: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
HEAD STYLE: DISHED HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
NONDEFINITIVE SPEC/STD DATA: 1, TYPE AND 2 GRADE
•
MATERIAL: STEEL OVERALL
•
MINIMUM TENSILE STRENGTH: 75000 POUNDS PER SQUARE INCH LBS
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD HEIGHT: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
HEAD STYLEDISHED HEXAGON
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA1, TYPE AND 2 GRADE
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH75000 POUNDS PER SQUARE INCH LBS
FEATURES PROVIDEDFINISHED HEAD
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH18
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
AN10H20AUpgraded Successor
successor cross-reference
successor
MIL-DTL-1222JUpgraded Successor
successor cross-reference
successor
180084Upgraded Successor
successor cross-reference
successor
MIL-S-1222Upgraded Successor
successor cross-reference
successor
MIL-DTL-1222Upgraded Successor
successor cross-reference
successor
PC186649Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-S-1222, GRA DE-2, TY-1?
MIL-S-1222, GRA DE-2, TY-1 is a MIL-S-1222, GRA DE-2, TY-1.
What parts can replace MIL-S-1222, GRA DE-2, TY-1?
There are 21 known substitutes for MIL-S-1222, GRA DE-2, TY-1: AN10H20A, MIL-DTL-1222J, 180084 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-S-1222, GRA DE-2, TY-1?
MIL-S-1222, GRA DE-2, TY-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-327-3526. 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