PartsTable
Technical Data Sheet
Download PDF

BACB30MS3R10 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACB30MS3R10: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, grip_length: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN, head_diameter: 0.345 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN, thread_length: 0.345 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-337-6007, 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
BACB30MS3R10
NSN: 5305-01-337-6007
FSC: 5305 — Screws
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
grip_length0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
head_diameter0.345 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
thread_length0.345 INCHES NOMINAL IN
fastener_length0.955 INCHES MINIMUM AND 0.985 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
NSN5305-01-337-6007
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACB30MS3R10 · 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: 0.955 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: BAC 5861,CAGE81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.345 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
FEATURES PROVIDED: CETYL ALCOHOL LUBRICANT
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.955 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONBAC 5861,CAGE81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.345 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
FEATURES PROVIDEDCETYL ALCOHOL LUBRICANT
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
SPECIAL FEATURESRED DYE OR PAINT ON THREAD END BEFORE LUBRICATION
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
Ready to buy BACB30MS3R10?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is BACB30MS3R10?
BACB30MS3R10 is a SCREW,CLOSE TOLERANCE.
What is the NSN for BACB30MS3R10?
BACB30MS3R10 is cataloged in the U.S. Government catalog under NSN 5305-01-337-6007. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — BACB30MS3R10

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.