Ball Screw Assembly3040-01-157-4384

NSN 3040-01-157-4384 · NIIN 011574384

FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment

Government record, cited

Also searched as 3040-01-157-4384 · 3040011574384 · NIIN 011574384 · 01-157-4384 · FSC 3040 Miscellaneous Power Transmission Equipment · 3021333 · 3021333 · 3021333 · 3021333

Nearby stock numbers ← 3040-01-157-4383 Gearshaft, Spur · 3040-01-157-4385 Housing, Mechanical Drive →

Features

Ball Screw Assembly — FSC 3040
General Characteristics Item Description: STEEL;BOTH ENDS THREADED-FIRST END-1/2-13UNC-2A,1.000 IN.LG,SECOND END-7/16-20UNF-2A,0.750 IN.LG;NUT-1 1/4-16UN THD,1.312 IN.DIA;BALL NUT-3.188 IN.LG SCREW,0.750 IN. DIA X 0.500 IN. LEAD ROLLED THD;36.000 IN. O/A LG A

Identification

NSN: 3040-01-157-4384
NIIN: 011574384
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Ball Screw Assembly, cataloged under National Stock Number 3040-01-157-4384, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3040-01-157-4384
Item Name	Ball Screw Assembly
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
General Characteristics Item Description	STEEL;BOTH ENDS THREADED-FIRST END-1/2-13UNC-2A,1.000 IN.LG,SECOND END-7/16-20UNF-2A,0.750 IN.LG;NUT-1 1/4-16UN THD,1.312 IN.DIA;BALL NUT-3.188 IN.LG SCREW,0.750 IN. DIA X 0.500 IN. LEAD ROLLED THD;36.000 IN. O/A LG A

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
3021333	5/9 Secondary reference U.S. Government activity
3021333	3/9 Design control — primary reference Gulf Coast Holdings, Inc Dba Unidynamics
3021333	D/9 Drawing number reference only Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3021333	5/2 Secondary reference U.S. Government activity

Frequently Asked Questions

What is NSN 3040-01-157-4384?

NSN 3040-01-157-4384 is a Ball Screw Assembly, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What are the specifications of 3040-01-157-4384?

Key specifications for 3040-01-157-4384: General Characteristics Item Description: STEEL;BOTH ENDS THREADED-FIRST END-1/2-13UNC-2A,1.000 IN.LG,SECOND END-7/16-20UNF-2A,0.750 IN.LG;NUT-1 1/4-16UN THD,1.312 IN.DIA;BALL NUT-3.188 IN.LG SCREW,0.750 IN. DIA X 0.500 IN. LEAD ROLLED THD;36.000 IN. O/A LG A. 1 specification is documented in the U.S. Government catalog.

Is NSN 3040-01-157-4384 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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