PartsTable
Technical Data Sheet
MIL-DTL-1222 QQ-N-286 GR500 ✓ 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 SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, thread_class: 3A LOCATION NOT OTHERWISE SPECIFIED A, overall_length: 1.750 INCHES NOMINAL IN, fastener_length: 0.625 INCHES MAXIMUM IN, special_features: SCREW, CAP, SOCKET HEAD, SELF LOCKING (REQUESTED NAME), nominal_thread_size: 0.375 INCHES LOCATION NOT OTHERWISE SPECIFIED IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-01-145-6455, 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-DTL-1222 QQ-N-286 GR500
NSN: 5307-01-145-6455
FSC: 5307
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialNICKEL ALLOY
thread_class3A LOCATION NOT OTHERWISE SPECIFIED A
overall_length1.750 INCHES NOMINAL IN
fastener_length0.625 INCHES MAXIMUM IN
special_featuresSCREW, CAP, SOCKET HEAD, SELF LOCKING (REQUESTED NAME)
nominal_thread_size0.375 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
end_item_identificationBARRELL ASSEMBLY, INTERNAL AUXILIARY LAUNCHER
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch16 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
nondefinitive_spec/std_data4 TYPE AND 500 GRADE
departure_from_cited_documentMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMSOL INSTRUCTION FOR SUBSAFE ITEMS
NSN5307-01-145-6455
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MIL-DTL-1222 QQ-N-286 GR500 · 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: ZZZX
DEPARTURE FROM CITED DESIGNATOR: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZX
DEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
1 3/4-5UNC-3A X 10 3/4 TYIVL1Interchangeable
Same NIIN cross-reference
interchangeable
MIL-DTL-1222 QQ-N-286 GR500L1Interchangeable
Same NIIN cross-reference
interchangeable
203-4678531 ITEM 7L1Interchangeable
Same NIIN cross-reference
interchangeable
1 3/4-5UNC-3A X 10 3/4 TYIVInterchangeable
Same NIIN cross-reference
interchangeable
203-4678531 ITEM 7Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-1222 QQ-N-286 GR500?
MIL-DTL-1222 QQ-N-286 GR500 is a SCREW,CAP,SOCKET HEAD.
What parts can replace MIL-DTL-1222 QQ-N-286 GR500?
There are 5 known substitutes for MIL-DTL-1222 QQ-N-286 GR500: 1 3/4-5UNC-3A X 10 3/4 TYIVL1, MIL-DTL-1222 QQ-N-286 GR500L1, 203-4678531 ITEM 7L1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-1222 QQ-N-286 GR500?
MIL-DTL-1222 QQ-N-286 GR500 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-01-145-6455. This indicates validated use in U.S. government and defense supply chains.
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