NAS191E4T6 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

NAS191E4T6: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: FLAT CHAMFER, head_height: 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_length: 0.273 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-435-9102, 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

NAS191E4T6

NSN: 5305-00-435-9102
FSC: 5305 — Screws
CAGE: 50568 — APCOM INC (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
head_style	FLAT CHAMFER
head_height	0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_length	0.273 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES THREADS
fastener_length	0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
locking_feature	PATCH OR PELLET OR STRIP THREADS
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
internal_drive_style	OFFSET CRUCIFORM (TORQUE SET)
NSN	5305-00-435-9102

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

HEAD HEIGHT: 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN

•

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

•

THREAD LENGTH: 0.273 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT	0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
FASTENER LENGTH	0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.273 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT CHAMFER
THREAD DIRECTION	RIGHT-HAND

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 2

NAS1191E4T6Reference document

Same NSN cross-reference

Reference document — Secondary reference

NAS1191C4T6Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 NAS191E4T6?

NAS191E4T6 is a SCREW,CAP,SOCKET HEAD.

What parts can replace NAS191E4T6?

There are 2 known substitutes for NAS191E4T6: NAS1191E4T6, NAS1191C4T6. Substitute compatibility should be verified for your specific system.

What is the NSN for NAS191E4T6?

NAS191E4T6 is cataloged in the U.S. Government catalog under NSN 5305-00-435-9102. This indicates validated use in U.S. government and defense supply chains.

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