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PartsTable / COMPONENT / MIL-S-1222G/QQ-N-286
MIL-S-1222G/QQ-N-286 ✓ 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-1222G/QQ-N-286 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 5305-01-163-0585, 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-1222G/QQ-N-286
NSN: 5305-01-163-0585
FSC: 5305
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-S-1222G/QQ-N-286
NSN5305-01-163-0585
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MIL-S-1222G/QQ-N-286 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: COPPER ALLOY OVERALL
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
THREAD QUANTITY PER INCH: 8
•
THREAD LENGTH: 4.500 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 1.000 INCHES IN
•
FASTENER LENGTH: 4.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALCOPPER ALLOY OVERALL
CRITICALITY CODE JUSTIFICATIONZZZY
THREAD QUANTITY PER INCH8
THREAD LENGTH4.500 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER1.000 INCHES IN
FASTENER LENGTH4.500 INCHES NOMINAL IN
THREAD CLASS3A A
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
000.625-11UNC-2AX2.500Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-857Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-1222Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222Interchangeable
interchangeable cross-reference
interchangeable
MILB857,3/4-10UNC-2AX4-1/2LGInterchangeable
interchangeable cross-reference
interchangeable
218031401Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-S-1222G/QQ-N-286?
MIL-S-1222G/QQ-N-286 is a MIL-S-1222G/QQ-N-286.
What parts can replace MIL-S-1222G/QQ-N-286?
There are 10 known substitutes for MIL-S-1222G/QQ-N-286: 000.625-11UNC-2AX2.500, MIL-B-857, MIL-S-1222 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-S-1222G/QQ-N-286?
MIL-S-1222G/QQ-N-286 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-163-0585. 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