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111-8500406 ITEM 7 — 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 SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include thread_class: 2A A, fastener_length: 2.500 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_item_identification: FC-160 SUPERSTRUCTURE, EXTERIOR, nominal_thread_diameter: 0.500 INCHES IN, thread_quantity_per_inch: 13. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5305-01-654-1884, 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
111-8500406 ITEM 7
NSN: 5305-01-654-1884
FSC: 5305
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
thread_class2A A
fastener_length2.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_item_identificationFC-160 SUPERSTRUCTURE, EXTERIOR
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch13
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-654-1884
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 111-8500406 ITEM 7 · 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 SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD CLASS: 2A A
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
THREAD QUANTITY PER INCH: 13
•
FASTENER LENGTH: 2.500 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONFC-160 SUPERSTRUCTURE, EXTERIOR
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD QUANTITY PER INCH13
FASTENER LENGTH2.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
999F0937 FN 53L1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PL-999F0937 FN 53L1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-1222 TY 1 GR500InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3/8-16UNC-3A X 7/8L1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
TYPE 1 3/8-16UNC-3A X 7/8LGL1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GR500 (QQ-N-286)L1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 111-8500406 ITEM 7?
111-8500406 ITEM 7 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 111-8500406 ITEM 7?
There are 9 known substitutes for 111-8500406 ITEM 7: 999F0937 FN 53L1, PL-999F0937 FN 53L1, MIL-DTL-1222 TY 1 GR500 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 111-8500406 ITEM 7?
111-8500406 ITEM 7 is cataloged in the Federal Logistics Information System under NSN 5305-01-654-1884. 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: September 2026