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BACB30MS9R29 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACB30MS9R29: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, grip_length: 1.8025 INCHES MINIMUM AND 1.8225 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN, head_diameter: 1.071 INCHES MINIMUM AND 1.146 INCHES MAXIMUM IN, thread_length: 0.840 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-338-3137, 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
BACB30MS9R29
NSN: 5305-01-338-3137
FSC: 5305 — Screws
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
grip_length1.8025 INCHES MINIMUM AND 1.8225 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN
head_diameter1.071 INCHES MINIMUM AND 1.146 INCHES MAXIMUM IN
thread_length0.840 INCHES NOMINAL IN
fastener_length2.6375 INCHES MINIMUM AND 2.6675 INCHES MAXIMUM IN
special_featuresRED DYE OR PAINT ON THREAD END BEFORE LUBRICATION
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
features_providedCETYL ALCOHOL LUBRICANT
internal_drive_styleHIGH-TORQUE
NSN5305-01-338-3137
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACB30MS9R29 · 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
•
FASTENER LENGTH: 2.6375 INCHES MINIMUM AND 2.6675 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.840 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.562 INCHES IN
•
FEATURES PROVIDED: CETYL ALCOHOL LUBRICANT
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 1.8025 INCHES MINIMUM AND 1.8225 INCHES MAXIMUM IN
•
GRIP DIAMETER: 0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH2.6375 INCHES MINIMUM AND 2.6675 INCHES MAXIMUM IN
THREAD LENGTH0.840 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.562 INCHES IN
FEATURES PROVIDEDCETYL ALCOHOL LUBRICANT
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH1.8025 INCHES MINIMUM AND 1.8225 INCHES MAXIMUM IN
GRIP DIAMETER0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN
SPECIAL FEATURESRED DYE OR PAINT ON THREAD END BEFORE LUBRICATION
INTERNAL DRIVE STYLEHIGH-TORQUE
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 BACB30MS9R29?
BACB30MS9R29 is a SCREW,CLOSE TOLERANCE.
What is the NSN for BACB30MS9R29?
BACB30MS9R29 is cataloged in the U.S. Government catalog under NSN 5305-01-338-3137. This indicates validated use in U.S. government and defense supply chains.
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