8U56122-144 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

8U56122-144: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.500 INCHES NOMINAL IN, fastener_length: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-389-7211, 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

8U56122-144

NSN: 5306-01-389-7211
FSC: 5306 — Bolts
CAGE: 07703 — ATK LAUNCH SYSTEMS LLC DBA ATK LAUNCH SYSTEMS-PROMONTORY DIV PROPULSION SYSTEMS - PROMONTORY (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	HEXAGON
head_height	0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
thread_class	2A A
thread_length	1.500 INCHES NOMINAL IN
fastener_length	2.000 INCHES NOMINAL IN
locking_feature	STRIP OR PATCH OR PELLET THREADS
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND PHOSPHATE OVERALL
width_between_flats	0.983 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
nominal_thread_diameter	0.625 INCHES IN
thread_quantity_per_inch	11
NSN	5306-01-389-7211

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN

•

FASTENER LENGTH: 2.000 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416. TY 2 CL 2 FED SPEC 1ST TREATMENT RESPONSE AND MIL-P-16232, TY 2, CL 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 1.500 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.625 INCHES IN

•

HEAD STYLE: HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
FASTENER LENGTH	2.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416. TY 2 CL 2 FED SPEC 1ST TREATMENT RESPONSE AND MIL-P-16232, TY 2, CL 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
THREAD LENGTH	1.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	SAE GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.625 INCHES IN
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
WIDTH BETWEEN FLATS	0.983 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
LOCKING FEATURE	STRIP OR PATCH OR PELLET THREADS

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

MS35764-1523Reference document

Same NSN cross-reference

Reference document — Secondary 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 8U56122-144?

8U56122-144 is a BOLT,MACHINE.

What parts can replace 8U56122-144?

There is 1 known substitute for 8U56122-144: MS35764-1523. Substitute compatibility should be verified for your specific system.

What is the NSN for 8U56122-144?

8U56122-144 is cataloged in the U.S. Government catalog under NSN 5306-01-389-7211. This indicates validated use in U.S. government and defense supply chains.

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