12387270-170 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

12387270-170: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.921 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN, thread_length: 1.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-378-7940, 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

12387270-170

NSN: 5305-01-378-7940
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	FLAT CHAMFER
head_height	0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.921 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
thread_length	1.750 INCHES NOMINAL IN
surface_finish	32.0 MICROINCHES FASTENER
fastener_length	2.440 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
hardness_rating	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
surface_treatment	ZINC AND CHROMATE OVERALL
width_across_flats	0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
NSN	5305-01-378-7940

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

WIDTH ACROSS FLATS: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN

•

FASTENER LENGTH: 2.440 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633 TY2 CL3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 1.750 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	32.0 MICROINCHES FASTENER
WIDTH ACROSS FLATS	0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
HEAD HEIGHT	0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
FASTENER LENGTH	2.440 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 TY2 CL3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	1.750 INCHES NOMINAL IN
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	FED 66 FED STD ALL MATERIAL RESPONSES OVERALL

OTHER ITEMS IN FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 1

5305013787940Reference 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 12387270-170?

12387270-170 is a SCREW,CAP,SOCKET HEAD.

What parts can replace 12387270-170?

There is 1 known substitute for 12387270-170: 5305013787940. Substitute compatibility should be verified for your specific system.

What is the NSN for 12387270-170?

12387270-170 is cataloged in the U.S. Government catalog under NSN 5305-01-378-7940. This indicates validated use in U.S. government and defense supply chains.

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12387270-170 — SCREW,CAP,SOCKET HEAD

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