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BACB30PU4D17 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACB30PU4D17: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: HEXAGON, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.310 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-202-7688, 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
BACB30PU4D17
NSN: 5306-01-202-7688
FSC: 5306 — Bolts
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleHEXAGON
head_height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_class3A A
thread_length0.310 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.048 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN
shoulder_length0.718 INCHES MINIMUM AND 0.738 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentPASSIVATE OVERALL
width_between_flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
NSN5306-01-202-7688
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACB30PU4D17 · 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: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.048 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.718 INCHES MINIMUM AND 0.738 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.310 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
SHANK UNTHREADED HOLE DIAMETER: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
FASTENER LENGTH1.048 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN
SHOULDER LENGTH0.718 INCHES MINIMUM AND 0.738 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.310 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
NTA11165-4D17Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 BACB30PU4D17?
BACB30PU4D17 is a BOLT,SHOULDER.
What parts can replace BACB30PU4D17?
There is 1 known substitute for BACB30PU4D17: NTA11165-4D17. Substitute compatibility should be verified for your specific system.
What is the NSN for BACB30PU4D17?
BACB30PU4D17 is cataloged in the U.S. Government catalog under NSN 5306-01-202-7688. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.