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Technical Data Sheet
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ST2018-022 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST2018-022: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 0.025 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN, head_height: 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.579 INCHES MINIMUM AND 0.673 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-382-7579, 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
ST2018-022
NSN: 5306-00-382-7579
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length0.025 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
head_height0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
thread_class3A A
thread_length0.579 INCHES MINIMUM AND 0.673 INCHES MAXIMUM IN
fastener_length0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
special_featuresFORM FIT FUNTION
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentANODIZE OVERALL
width_between_flats0.312 INCHES NOMINAL IN
NSN5306-00-382-7579
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST2018-022 · 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
•
EXTENDED WASHER THICKNESS: 0.060 INCHES MINIMUM IN
•
HEAD HEIGHT: 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: PWA 37-1,FSCM 77445 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.579 INCHES MINIMUM AND 0.673 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM IN
HEAD HEIGHT0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
FASTENER LENGTH0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPWA 37-1,FSCM 77445 MFR REF SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
THREAD LENGTH0.579 INCHES MINIMUM AND 0.673 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
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
5306PL1495311Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST2018-022?
ST2018-022 is a BOLT,MACHINE.
What parts can replace ST2018-022?
There is 1 known substitute for ST2018-022: 5306PL1495311. Substitute compatibility should be verified for your specific system.
What is the NSN for ST2018-022?
ST2018-022 is cataloged in the U.S. Government catalog under NSN 5306-00-382-7579. 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.