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11743509 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

11743509: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, head_style: FILLISTER, head_height: 0.090 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.375 INCHES NOMINAL IN, thread_length: 0.060 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-018-9203, 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
11743509
NSN: 5305-01-018-9203
FSC: 5305 — Screws
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
head_styleFILLISTER
head_height0.090 INCHES NOMINAL IN
thread_class2A A
head_diameter0.375 INCHES NOMINAL IN
thread_length0.060 INCHES NOMINAL IN
fastener_length0.310 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.138 INCHES IN
first_diameter_from_head0.100 INCHES NOMINAL IN
third_diameter_from_head0.120 INCHES NOMINAL IN
NSN5305-01-018-9203
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11743509 · 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
•
HEAD HEIGHT: 0.090 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.310 INCHES NOMINAL IN
•
THREAD LENGTH: 0.060 INCHES NOMINAL IN
•
FIRST DIAMETER FROM HEAD: 0.100 INCHES NOMINAL IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 0.150 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER: 0.310 INCHES NOMINAL IN
•
HEAD STYLE: FILLISTER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.090 INCHES NOMINAL IN
FASTENER LENGTH0.310 INCHES NOMINAL IN
THREAD LENGTH0.060 INCHES NOMINAL IN
FIRST DIAMETER FROM HEAD0.100 INCHES NOMINAL IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.150 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER0.310 INCHES NOMINAL IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SECOND DIAMETER FROM HEAD0.060 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11743509?
11743509 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 11743509?
11743509 is cataloged in the U.S. Government catalog under NSN 5305-01-018-9203. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.