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5A11831 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5A11831: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_type: DRILLED, head_style: FLAT CHAMFER, head_height: 0.183 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-550-9703, 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
5A11831
NSN: 5305-00-550-9703
FSC: 5305 — Screws
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_typeDRILLED
head_styleFLAT CHAMFER
head_height0.183 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
hole_diameter0.047 INCHES NOMINAL IN
hole_quantity4
thread_length0.530 INCHES MINIMUM IN
fastener_length0.660 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
NSN5305-00-550-9703
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5A11831 · 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
•
WIDTH ACROSS FLATS: 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.183 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.660 INCHES NOMINAL IN
•
THREAD LENGTH: 0.530 INCHES MINIMUM IN
•
HOLE CONFIGURATION STYLE: ROUND LONGITUDINAL HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5637 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
HEAD HEIGHT0.183 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
FASTENER LENGTH0.660 INCHES NOMINAL IN
THREAD LENGTH0.530 INCHES MINIMUM IN
HOLE CONFIGURATION STYLEROUND LONGITUDINAL HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5637 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTPASSIVATE OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5A11831?
5A11831 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 5A11831?
5A11831 is cataloged in the U.S. Government catalog under NSN 5305-00-550-9703. This indicates validated use in U.S. government and defense supply chains.
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