189128 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

189128: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_length: 0.880 INCHES MINIMUM IN, fastener_length: 2.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-485-9384, 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

189128

NSN: 5305-01-485-9384
FSC: 5305 — Screws
CAGE: 54846 — MODULAR CONTROLS CORP (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_height	0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_length	0.880 INCHES MINIMUM IN
fastener_length	2.250 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
width_across_flats	0.156 INCHES NOMINAL IN
internal_drive_style	HEXAGON
end_item_identification	2320-01-465-2174
nominal_thread_diameter	0.190 INCHES IN
thread_quantity_per_inch	24
NSN	5305-01-485-9384

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN

•

FASTENER LENGTH: 2.250 INCHES NOMINAL IN

•

THREAD LENGTH: 0.880 INCHES MINIMUM IN

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

THREAD DIRECTION: RIGHT-HAND

•

INTERNAL DRIVE STYLE: HEXAGON

•

THREAD CLASS: 3A A

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.156 INCHES NOMINAL IN
HEAD HEIGHT	0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
FASTENER LENGTH	2.250 INCHES NOMINAL IN
THREAD LENGTH	0.880 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER	0.190 INCHES IN
THREAD DIRECTION	RIGHT-HAND
INTERNAL DRIVE STYLE	HEXAGON
THREAD CLASS	3A A
END ITEM IDENTIFICATION	2320-01-465-2174
THREAD QUANTITY PER INCH	24

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753

SUBSTITUTES & CROSS-REFERENCES 1

8HB275Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 189128?

189128 is a SCREW,CAP,SOCKET HEAD.

What parts can replace 189128?

There is 1 known substitute for 189128: 8HB275. Substitute compatibility should be verified for your specific system.

What is the NSN for 189128?

189128 is cataloged in the U.S. Government catalog under NSN 5305-01-485-9384. This indicates validated use in U.S. government and defense supply chains.

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189128 — SCREW,CAP,SOCKET HEAD

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