3M1238-3-8 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

3M1238-3-8: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 0.500 INCHES NOMINAL IN, head_height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.345 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-512-0492, 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

3M1238-3-8

NSN: 5306-01-512-0492
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	HEXAGON
grip_length	0.500 INCHES NOMINAL IN
head_height	0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
thread_class	3A A
thread_length	0.345 INCHES NOMINAL IN
locking_feature	SLOTTED LOCKING FEATURE
special_features	HAVING 2 KEY-WAY SLOTS ON THE SHANK 180 DEGREES OUT
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
width_between_flats	0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
end_item_identification	AIRCRAFT, F18 E/F
NSN	5306-01-512-0492

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.345 INCHES NOMINAL IN

•

CRITICALITY CODE JUSTIFICATION: AGAV

•

MATERIAL DOCUMENT AND CLASSIFICATION: A286 PER AMS 5731 OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.345 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATION	AGAV
MATERIAL DOCUMENT AND CLASSIFICATION	A286 PER AMS 5731 OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.500 INCHES NOMINAL IN
WIDTH BETWEEN FLATS	0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM 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

CA2254-10-8Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 3M1238-3-8?

3M1238-3-8 is a BOLT,MACHINE.

What parts can replace 3M1238-3-8?

There is 1 known substitute for 3M1238-3-8: CA2254-10-8. Substitute compatibility should be verified for your specific system.

What is the NSN for 3M1238-3-8?

3M1238-3-8 is cataloged in the U.S. Government catalog under NSN 5306-01-512-0492. This indicates validated use in U.S. government and defense supply chains.

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