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Technical Data Sheet
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ST2276-012 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST2276-012: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY FASTENER, head_style: HEXAGON EXTENDED WASHER, head_height: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.290 INCHES NOMINAL IN, fastener_length: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-322-3653, 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
ST2276-012
NSN: 5306-01-322-3653
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialTITANIUM ALLOY FASTENER
head_styleHEXAGON EXTENDED WASHER
head_height0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
thread_class3A A
thread_length0.290 INCHES NOMINAL IN
fastener_length0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
locking_featureSTRIP THREADS
special_featuresTRIANGULAR DRIVE FEATURE ON CEN- TER OF HEAD,0.040/0.060 IN. EACH SIDEX 0.010/0.060 IN. DEEP;SLOT FOR LOCK- ING STRIP BEGINS 0.040/0.060 IN. FROM THREAD END AND IS 0.173/0.203 IN. LG IN
thread_directionRIGHT-HAND
width_between_flats0.372 INCHES NOMINAL IN
end_item_identificationF100PW0229 ENGINE
nominal_thread_diameter0.190 INCHES IN
NSN5306-01-322-3653
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST2276-012 · 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: 0.006 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.335 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.290 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7461 ASSN STD SINGLE MATERIAL RESPONSE AND PWA-S-7461,CAGE 77445 MFR REF SINGLE MATERIAL RESPONSE FASTENER
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.006 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
HEAD HEIGHT0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
FASTENER LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.335 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
THREAD LENGTH0.290 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7461 ASSN STD SINGLE MATERIAL RESPONSE AND PWA-S-7461,CAGE 77445 MFR REF SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONSP-1,CAGE67559 MFR REF SINGLE MATERIAL RESPONSE LOCKING FEATURE
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEHEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
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 2
111167-012Reference document
Same NSN cross-reference
Reference document — Secondary reference
5306PL1499404Reference 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 ST2276-012?
ST2276-012 is a BOLT,MACHINE.
What parts can replace ST2276-012?
There are 2 known substitutes for ST2276-012: 111167-012, 5306PL1499404. Substitute compatibility should be verified for your specific system.
What is the NSN for ST2276-012?
ST2276-012 is cataloged in the U.S. Government catalog under NSN 5306-01-322-3653. 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.