ST2155-012 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST2155-012: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, hole_type: DRILLED, head_style: HEXAGON, head_height: 0.167 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN, thread_class: 3A A, hole_diameter: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-321-3561, 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

ST2155-012

NSN: 5306-01-321-3561
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	TITANIUM ALLOY OVERALL
hole_type	DRILLED
head_style	HEXAGON
head_height	0.167 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
thread_class	3A A
hole_diameter	0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
hole_quantity	1
thread_length	0.280 INCHES NOMINAL IN
fastener_length	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
special_features	FAILURE OF THIS ITEM COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO THE AIR VEHICLE OR WPN SYS, OR DEATH OR SERIOUS INJURY TO PERSONNEL. TOLERANCE AND FIT RESTRICTIONS
thread_direction	RIGHT-HAND
width_between_flats	0.435 INCHES NOMINAL IN
NSN	5306-01-321-3561

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.167 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.280 INCHES NOMINAL IN

•

CRITICALITY CODE JUSTIFICATION: FEAT

•

HOLE CONFIGURATION STYLE: HEXAGON FLATS

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7461 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.167 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
FASTENER LENGTH	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
THREAD LENGTH	0.280 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATION	FEAT
HOLE CONFIGURATION STYLE	HEXAGON FLATS
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 7461 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
WIDTH BETWEEN FLATS	0.435 INCHES NOMINAL IN

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

5306PL1499291Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ST2155-012?

ST2155-012 is a BOLT,MACHINE.

What parts can replace ST2155-012?

There is 1 known substitute for ST2155-012: 5306PL1499291. Substitute compatibility should be verified for your specific system.

What is the NSN for ST2155-012?

ST2155-012 is cataloged in the U.S. Government catalog under NSN 5306-01-321-3561. This indicates validated use in U.S. government and defense supply chains.

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