B18919C — SCREW,LEAD,BALL BEARING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

B18919C: SCREW,LEAD,BALL BEARING.

The SCREW,LEAD,BALL BEARING is a the manufacturer industrial component. Key specifications include cubic_measure: 1.89968 CUBIC INCHES. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-181-3681, 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

B18919C

NSN: 5305-01-181-3681
FSC: 5305 — Screws
CAGE: 088K1 — BEAVER AEROSPACE & DEFENSE, INC. (USA)

SPECIFICATIONS

cubic_measure	1.89968 CUBIC INCHES
general_characteristics_item_description	CORROSION RESISTANT STEEL,AMS 5643,TYPE 17-4PH; 4.025 IN. LG.; 0.687 IN. DIA.; HEAT TREATMENT: PRECIPITATION HARDEN BALL NUT AND BALL SCREW TO COND. H900,HARDNESS,ROCKWELL C 41-47,PER AMS 5643 IN
NSN	5305-01-181-3681

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: CORROSION RESISTANT STEEL,AMS 5643,TYPE 17-4PH; 4.025 IN. LG.; 0.687 IN. DIA.; HEAT TREATMENT: PRECIPITATION HARDEN BALL NUT AND BALL SCREW TO COND. H900,HARDNESS,ROCKWELL C 41-47,PER AMS 5643 IN

•

CUBIC MEASURE: 1.89968 CUBIC INCHES

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION	CORROSION RESISTANT STEEL,AMS 5643,TYPE 17-4PH; 4.025 IN. LG.; 0.687 IN. DIA.; HEAT TREATMENT: PRECIPITATION HARDEN BALL NUT AND BALL SCREW TO COND. H900,HARDNESS,ROCKWELL C 41-47,PER AMS 5643 IN
CUBIC MEASURE	1.89968 CUBIC INCHES

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

9338377Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

M-305-18919Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 B18919C?

B18919C is a SCREW,LEAD,BALL BEARING.

What parts can replace B18919C?

There are 2 known substitutes for B18919C: 9338377, M-305-18919. Substitute compatibility should be verified for your specific system.

What is the NSN for B18919C?

B18919C is cataloged in the U.S. Government catalog under NSN 5305-01-181-3681. This indicates validated use in U.S. government and defense supply chains.

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B18919C — SCREW,LEAD,BALL BEARING

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