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Technical Data Sheet
PartsTable / COMPONENT / MILS1222G,1IN8UNC2A5-3/8INLG
MILS1222G,1IN8UNC2A5-3/8INLG ✓ 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 MILS1222G,1IN8UNC2A5-3/8INLG 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 5306-01-118-8336, 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
MILS1222G,1IN8UNC2A5-3/8INLG
NSN: 5306-01-118-8336
FSC: 5306
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part NumberMILS1222G,1IN8UNC2A5-3/8INLG
NSN5306-01-118-8336
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MILS1222G,1IN8UNC2A5-3/8INLG · 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: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
M1222RN12C48GFNNUpgraded Successor
successor cross-reference
successor
MIL-S-1222Upgraded Successor
successor cross-reference
successor
MIL-DTL-1222Upgraded Successor
successor cross-reference
successor
306-40172Upgraded Successor
successor cross-reference
successor
1D4703Upgraded Successor
successor cross-reference
successor
M1222RN14C260GCNZEUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILS1222G,1IN8UNC2A5-3/8INLG?
MILS1222G,1IN8UNC2A5-3/8INLG is a MILS1222G,1IN8UNC2A5-3/8INLG.
What parts can replace MILS1222G,1IN8UNC2A5-3/8INLG?
There are 16 known substitutes for MILS1222G,1IN8UNC2A5-3/8INLG: M1222RN12C48GFNN, MIL-S-1222, MIL-DTL-1222 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MILS1222G,1IN8UNC2A5-3/8INLG?
MILS1222G,1IN8UNC2A5-3/8INLG is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-118-8336. 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