PartsTable TECHNICAL DATA SHEET

NSN 4320-01-586-7943Government record, cited

Ejector Assembly, Air4320-01-586-7943

NSN 4320-01-586-7943 · NIIN 015867943 · Part number AT321380

West Side Tractor Sales Co · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 02YK8

Government record, cited

NSN 4320-01-586-7943 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-586-7943. Manufacturer of record part number: AT321380.

Also searched as 4320-01-586-7943 · 4320015867943 · NIIN 015867943 · 01-586-7943 · FSC 4320 Power and Hand Pumps · CAGE 02YK8 · AT321380

Nearby stock numbers ← 4320-01-586-7626 Pump Unit, Reciprocating · 4320-01-586-8344 Seal Assembly, Shaft, Spring Loade →

Features

Ejector Assembly,air — FSC 4320
Usage Design: INDUSTRIAL
1 manufacturer part number on file
Manufacturer of record: West Side Tractor Sales Co

Identification

NSN: 4320-01-586-7943
NIIN: 015867943
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: AT321380
Manufacturer: West Side Tractor Sales Co

General Description

The Ejector Assembly,air, cataloged under National Stock Number 4320-01-586-7943, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is West Side Tractor Sales Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	4320-01-586-7943
Primary Part Number	AT321380
Item Name	Ejector Assembly,air
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	West Side Tractor Sales Co
Status	ACTIVE
Usage Design	INDUSTRIAL

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

Part Number	Manufacturer
AT321380 PRIMARY	West Side Tractor Sales Co (USA)

Reference documents

Reference	Meaning
AT321380	3/9 Design control — primary reference John Deere Shared Services, Llc

No interchangeability data on file.

Other items in FSC 4320 — Power and Hand Pumps

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

4320-00-001-1633

4320-00-001-1633 · Item name not on file

4320-00-001-2628

RETAINER AND PIN

4320-00-001-2629

HOUSING AND PIN

4320-00-001-2630

PUMP,CENTRIFUGAL

4320-00-001-2631

4320-00-001-2631 · Item name not on file

4320-00-001-2632

4320-00-001-2632 · Item name not on file

4320-00-001-3377

4320-00-001-3377 · Item name not on file

4320-00-001-3384

4320-00-001-3384 · Item name not on file

Frequently Asked Questions

What is NSN 4320-01-586-7943?

NSN 4320-01-586-7943 is a Ejector Assembly,air, manufactured by West Side Tractor Sales Co, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-586-7943?

NSN 4320-01-586-7943 has 1 manufacturer part number on file: AT321380 (West Side Tractor Sales Co).

What are the specifications of AT321380?

Key specifications for AT321380: Usage Design: INDUSTRIAL; Special Features: INTERCOOLER ON COOLING PACKAGE OF ENGINE COOLING SYSTEM; End Item Identification: 3805-01-573-0677; EXCAVATOR, MULTIPURPOSE, END CRAWLER MOUNTED. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-586-7943 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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