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SLB142-4-11 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SLB142-4-11: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OR COBALT ALLOY SPRING, head_style: FLAT COUNTERSUNK, grip_length: 0.688 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.486 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.456 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-335-9268, 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
SLB142-4-11
NSN: 5306-01-335-9268
FSC: 5306 — Bolts
CAGE: 16258 — SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OR COBALT ALLOY SPRING
head_styleFLAT COUNTERSUNK
grip_length0.688 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.486 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length0.456 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES OVERALL
fastener_length1.145 INCHES MINIMUM AND 1.175 INCHES MAXIMUM IN
locking_featureDETENT BALL HEAD
special_featuresFURNISHED WITH PLUMGER AND PAWL AMS 5629; BALL QQ-S-763 COMP 440C
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
NSN5306-01-335-9268
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SLB142-4-11 · 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: 1.145 INCHES MINIMUM AND 1.175 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.456 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.688 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES OVERALL
FASTENER LENGTH1.145 INCHES MINIMUM AND 1.175 INCHES MAXIMUM IN
THREAD LENGTH0.456 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.688 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN
LOCKING FEATUREDETENT BALL HEAD
SPECIAL FEATURESFURNISHED WITH PLUMGER AND PAWL AMS 5629; BALL QQ-S-763 COMP 440C
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 3
03A227-4-11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LB83-4-11Reference document
Same NSN cross-reference
Reference document — Secondary reference
LM2620-06-2-8PSame 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 SLB142-4-11?
SLB142-4-11 is a BOLT,MACHINE.
What parts can replace SLB142-4-11?
There are 3 known substitutes for SLB142-4-11: 03A227-4-11, LB83-4-11, LM2620-06-2-8P. Substitute compatibility should be verified for your specific system.
What is the NSN for SLB142-4-11?
SLB142-4-11 is cataloged in the U.S. Government catalog under NSN 5306-01-335-9268. This indicates validated use in U.S. government and defense supply chains.
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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.