PartsTable TECHNICAL DATA SHEET

NSN 4310-01-461-1639Government record, cited

Vacuum Pump Unit, Rotary4310-01-461-1639

NSN 4310-01-461-1639 · NIIN 014611639 · Part number 3418AS2051

Csts, Inc Dba Computer Sys Techl Support · FSC 4310 — Compressors and Vacuum Pumps · FSG 43 — Pumps and Compressors · CAGE 9J740

Government record, cited

NSN 4310-01-461-1639 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-461-1639. Manufacturer of record part number: 3418AS2051.

Also searched as 4310-01-461-1639 · 4310014611639 · NIIN 014611639 · 01-461-1639 · FSC 4310 Compressors and Vacuum Pumps · CAGE 9J740 · 3418AS2051

Nearby stock numbers ← 4310-01-461-1291 Plate, Valve Stop · 4310-01-461-2336 Compressor Unit, Centrifugal →

Features

Vacuum Pump Unit,rotary — FSC 4310
1 manufacturer part number on file
Manufacturer of record: Csts, Inc Dba Computer Sys Techl Support

Identification

NSN: 4310-01-461-1639
NIIN: 014611639
FSC: 4310 — Compressors and Vacuum Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 3418AS2051
Manufacturer: Csts, Inc Dba Computer Sys Techl Support

General Description

The Vacuum Pump Unit,rotary, cataloged under National Stock Number 4310-01-461-1639, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Csts, Inc Dba Computer Sys Techl Support. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Vacuum Pump Unit,rotary
FSC / FSG	4310 — Compressors and Vacuum Pumps (FSG 43)
Manufacturers	Csts, Inc Dba Computer Sys Techl Support (CAGE 9J740)

Technical Specifications

Parameter	Value
NSN	4310-01-461-1639
Primary Part Number	3418AS2051
Item Name	Vacuum Pump Unit,rotary
FSC / FSG	4310 / 43 — Compressors and Vacuum Pumps
Manufacturer	Csts, Inc Dba Computer Sys Techl Support
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
3418AS2051 PRIMARY	Csts, Inc Dba Computer Sys Techl Support (USA)

Reference documents

Reference	Meaning
3418AS2051	7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier

No interchangeability data on file.

Other items in FSC 4310 — Compressors and Vacuum Pumps

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

4310-00-000-0050

COMPRESSOR UNIT,RECIPROCATING

4310-00-001-0059

4310-00-001-0059 · Item name not on file

4310-00-001-2044

MOUNTING PAD,TANK,PRESSURE

4310-00-001-3477

PARTS KIT,VACUUM PUMP

4310-00-001-3493

VACUUM PUMP,ROTARY

4310-00-001-6194

4310-00-001-6194 · Item name not on file

4310-00-001-6381

4310-00-001-6381 · Item name not on file

4310-00-001-7755

PARTS KIT,VACUUM PUMP

Frequently Asked Questions

What is NSN 4310-01-461-1639?

NSN 4310-01-461-1639 is a Vacuum Pump Unit,rotary, manufactured by Csts, Inc Dba Computer Sys Techl Support, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.

What part numbers are listed for NSN 4310-01-461-1639?

NSN 4310-01-461-1639 has 1 manufacturer part number on file: 3418AS2051 (Csts, Inc Dba Computer Sys Techl Support).

Is NSN 4310-01-461-1639 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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