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B68972 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

B68972: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON COUNTERSUNK, head_height: 0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.454 INCHES NOMINAL IN, screw_material: STEEL CORROSION RESISTING, fastener_length: 0.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-322-5616, 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
B68972
NSN: 5305-01-322-5616
FSC: 5305 — Screws
CAGE: K0967 — MBDA UK LTD (GBR)
SPECIFICATIONS
head_styleHEXAGON COUNTERSUNK
head_height0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
thread_class3A A
thread_length0.454 INCHES NOMINAL IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.688 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle20.0 DEGREES NOMINAL
width_between_flats0.132 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
internal_drive_styleCROSS RECESS TYPE II
nominal_thread_diameter0.164 INCHES IN
thread_quantity_per_inch32
NSN5305-01-322-5616
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B68972 · 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: 0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.688 INCHES NOMINAL IN
•
THREAD LENGTH: 0.454 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: HEXAGON COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SPECIFICATION/STANDARD DATA: 82577-965807-1/103 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
•
WIDTH BETWEEN FLATS: 0.132 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
FASTENER LENGTH0.688 INCHES NOMINAL IN
THREAD LENGTH0.454 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEHEXAGON COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA82577-965807-1/103 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
WIDTH BETWEEN FLATS0.132 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
SCREW MATERIALSTEEL CORROSION RESISTING
INTERNAL DRIVE STYLECROSS RECESS TYPE II
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B68972?
B68972 is a SCREW,MACHINE.
What is the NSN for B68972?
B68972 is cataloged in the U.S. Government catalog under NSN 5305-01-322-5616. This indicates validated use in U.S. government and defense supply chains.
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