189378 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

189378: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.083 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.217 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN, thread_length: 0.205 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, fastener_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-018-9378, 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

189378

NSN: 5305-00-018-9378
FSC: 5305 — Screws
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)

SPECIFICATIONS

head_style	ROUND
head_height	0.083 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.217 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN
thread_length	0.205 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
fastener_length	0.250 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.125 INCHES IN
screw_surface_treatment	PHOSPHATE
thread_quantity_per_inch	44
thread_series_designator	UNF
NSN	5305-00-018-9378

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.083 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN

•

SCREW SURFACE TREATMENT: PHOSPHATE

•

FASTENER LENGTH: 0.250 INCHES NOMINAL IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES

•

THREAD LENGTH: 0.205 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.125 INCHES IN

•

HEAD STYLE: ROUND

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.083 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT	PHOSPHATE
FASTENER LENGTH	0.250 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD ALL MATERIAL RESPONSES
THREAD LENGTH	0.205 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.125 INCHES IN
HEAD STYLE	ROUND
THREAD DIRECTION	RIGHT-HAND
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
THREAD CLASS	2A A

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

FFS92TYPE1STYLE1SReference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 189378?

189378 is a SCREW,MACHINE.

What parts can replace 189378?

There is 1 known substitute for 189378: FFS92TYPE1STYLE1S. Substitute compatibility should be verified for your specific system.

What is the NSN for 189378?

189378 is cataloged in the U.S. Government catalog under NSN 5305-00-018-9378. This indicates validated use in U.S. government and defense supply chains.

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189378 — SCREW,MACHINE

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