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12443573-003 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12443573-003: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FILLISTER, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.543 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, thread_length: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-560-0779, 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
12443573-003
NSN: 5305-01-560-0779
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFILLISTER
head_height0.250 INCHES NOMINAL IN
thread_class3A A
head_diameter0.543 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
thread_length0.500 INCHES NOMINAL IN
shoulder_shapeSQUARE OVERALL
fastener_length3.500 INCHES NOMINAL IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length3.000 INCHES NOMINAL OVERALL IN
thread_directionRIGHT-HAND
shoulder_diameter0.375 INCHES NOMINAL OVERALL IN
NSN5305-01-560-0779
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12443573-003 · 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: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.500 INCHES NOMINAL IN
•
SHOULDER LENGTH: 3.000 INCHES NOMINAL OVERALL IN
•
SHOULDER DIAMETER: 0.375 INCHES NOMINAL OVERALL IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
SHOULDER SHAPE: SQUARE OVERALL
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.313 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.250 INCHES NOMINAL IN
FASTENER LENGTH3.500 INCHES NOMINAL IN
SHOULDER LENGTH3.000 INCHES NOMINAL OVERALL IN
SHOULDER DIAMETER0.375 INCHES NOMINAL OVERALL IN
THREAD LENGTH0.500 INCHES NOMINAL IN
SHOULDER SHAPESQUARE OVERALL
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.313 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
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 12443573-003?
12443573-003 is a SCREW,SHOULDER.
What is the NSN for 12443573-003?
12443573-003 is cataloged in the U.S. Government catalog under NSN 5305-01-560-0779. This indicates validated use in U.S. government and defense supply chains.
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