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BACB30US8K25 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACB30US8K25: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 1.5525 INCHES MINIMUM AND 1.5725 INCHES MAXIMUM IN, head_height: 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.4981 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-642-7983, 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
BACB30US8K25
NSN: 5306-01-642-7983
NIINs: 016427983, 016877707
FSC: 5306 — Bolts
CAGE: 17943 — FEDERAL MANUFACTURING CORP (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
grip_length1.5525 INCHES MINIMUM AND 1.5725 INCHES MAXIMUM IN
head_height0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.4981 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN
thread_length0.813 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES HEAD
fastener_length2.3605 INCHES MINIMUM AND 2.3905 INCHES MAXIMUM IN
special_featuresFATIGUE LOW LOAD IS 1960 AND FATIGUE HIGH LOAD IS 19600;MAXIMUM SERVICE TEMPERATURE IS 350 DEGREES F;HEAD TO BE MARKED WITH PART NUMBER CONFIGURATION IAW BACB30US STANDARD
thread_directionRIGHT-HAND
surface_treatmentALUMINUM OVERALL
NSN5306-01-642-7983
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACB30US8K25 · 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
•
SURFACE FINISH: 32.0 MICROINCHES THREADS
•
EXTENDED WASHER THICKNESS: 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.3605 INCHES MINIMUM AND 2.3905 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ALUMINUM PIGMENTED COATING IAW BMS10-85,TYPE I MFR REF SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES HEAD
EXTENDED WASHER THICKNESS0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
HEAD HEIGHT0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
FASTENER LENGTH2.3605 INCHES MINIMUM AND 2.3905 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONALUMINUM PIGMENTED COATING IAW BMS10-85,TYPE I MFR REF SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
THREAD LENGTH0.813 INCHES NOMINAL IN
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 BACB30US8K25?
BACB30US8K25 is a BOLT,SHEAR.
What is the NSN for BACB30US8K25?
BACB30US8K25 is cataloged in the U.S. Government catalog under NSN 5306-01-642-7983. 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.