3176207-B-127 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

3176207-B-127: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, head_style: FLAT CHAMFER, head_height: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-274-4479, 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

3176207-B-127

NSN: 5305-01-274-4479
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	STEEL OVERALL
hole_type	DRILLED
head_style	FLAT CHAMFER
head_height	0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
hole_diameter	0.044 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
hole_quantity	6
thread_length	1.849 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
surface_finish	63.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length	1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
hardness_rating	38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
NSN	5305-01-274-4479

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633 TY 2 CL 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 1.849 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN

•

HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
WIDTH ACROSS FLATS	0.250 INCHES NOMINAL IN
HEAD HEIGHT	0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
FASTENER LENGTH	1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 TY 2 CL 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	1.849 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLE	ROUND INTERNAL HEXAGON
NOMINAL THREAD DIAMETER	0.312 INCHES IN

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

No substitute or cross-reference records for this part.

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 3176207-B-127?

3176207-B-127 is a SCREW,CAP,SOCKET HEAD.

What is the NSN for 3176207-B-127?

3176207-B-127 is cataloged in the U.S. Government catalog under NSN 5305-01-274-4479. This indicates validated use in U.S. government and defense supply chains.

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3176207-B-127 — SCREW,CAP,SOCKET HEAD

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