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51B507C06-12B — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

51B507C06-12B: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.231 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN, thread_length: 0.600 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN, screw_material: IRON ALLOY 660, fastener_length: 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-545-6676, 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
51B507C06-12B
NSN: 5305-00-545-6676
FSC: 5305 — Screws
CAGE: L4528 — LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC (CAN)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.231 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
thread_length0.600 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
screw_materialIRON ALLOY 660
fastener_length0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_styleTORQUE SET
nominal_thread_diameter0.138 INCHES IN
screw_surface_treatmentOXIDE
minimum_tensile_strength140000 POUNDS PER SQUARE INCH LBS
NSN5305-00-545-6676
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 51B507C06-12B · 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
•
SCREW SURFACE TREATMENT: OXIDE
•
FASTENER LENGTH: 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.600 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: IRON ALLOY 660
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTOXIDE
FASTENER LENGTH0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.600 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALIRON ALLOY 660
MINIMUM TENSILE STRENGTH140000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLETORQUE SET
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51B507C06-12B?
51B507C06-12B is a SCREW,MACHINE.
What is the NSN for 51B507C06-12B?
51B507C06-12B is cataloged in the U.S. Government catalog under NSN 5305-00-545-6676. This indicates validated use in U.S. government and defense supply chains.
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