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SLB142A5-13 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SLB142A5-13: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C AND NICKEL OR STEEL COMP XM-13 LOCKING FEATURE, head_style: FLAT COUNTERSUNK, grip_length: 0.812 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.611 INCHES MINIMUM AND 0.633 INCHES MAXIMUM IN, thread_length: 0.736 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-474-8531, 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
SLB142A5-13
NSN: 5306-01-474-8531
FSC: 5306 — Bolts
CAGE: 16258 — SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK (USA)
SPECIFICATIONS
materialSTEEL COMP 440C AND NICKEL OR STEEL COMP XM-13 LOCKING FEATURE
head_styleFLAT COUNTERSUNK
grip_length0.812 INCHES NOMINAL IN
thread_class3A A
head_diameter0.611 INCHES MINIMUM AND 0.633 INCHES MAXIMUM IN
thread_length0.736 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES OVERALL
fastener_length1.533 INCHES MINIMUM AND 1.563 INCHES MAXIMUM IN
locking_featureDETENT BALL FASTENER
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
end_item_identificationB-2 BOMBER AIRCRAFT
NSN5306-01-474-8531
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SLB142A5-13 · 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 OVERALL
•
FASTENER LENGTH: 1.533 INCHES MINIMUM AND 1.563 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.736 INCHES NOMINAL IN
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MATERIAL DOCUMENT AND CLASSIFICATION: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES OVERALL
FASTENER LENGTH1.533 INCHES MINIMUM AND 1.563 INCHES MAXIMUM IN
THREAD LENGTH0.736 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE LOCKING FEATURE
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.812 INCHES NOMINAL IN
LOCKING FEATUREDETENT BALL FASTENER
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
03A227A5-13Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 SLB142A5-13?
SLB142A5-13 is a BOLT,MACHINE.
What parts can replace SLB142A5-13?
There is 1 known substitute for SLB142A5-13: 03A227A5-13. Substitute compatibility should be verified for your specific system.
What is the NSN for SLB142A5-13?
SLB142A5-13 is cataloged in the U.S. Government catalog under NSN 5306-01-474-8531. 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.