NSN 4320-00-558-0004 · NIIN 005580004 · Part number 3-419-500-381
Viking Pump, Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 63097
Government record, cited
NSN 4320-00-558-0004 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-558-0004. Manufacturer of record part number: 3-419-500-381.
Also searched as4320-00-558-0004 ·
4320005580004 ·
NIIN 005580004 ·
00-558-0004 ·
FSC 4320 Power and Hand Pumps · CAGE 63097 · 3-419-500-381
General Characteristics Item Description: IDLER,IRON,DUCTILE,2.001 IN. MIN,2.003 IN. MAX LG,8 VANES EQUALLY SPACED 3.361 IN. MIN,3.362 IN. MAX OD,ENDS AND OD 63 MICROINCH FINISH,VANES 250 MICROINCH FINISH ON SIDES,BUSHING 1.1275 IN. MIN,1.1290 IN. MAX ID,2.001 IN. MIN,2.003 IN. MAX LG IN
1 manufacturer part number on file
Manufacturer of record: Viking Pump, Inc
Identification
NSN: 4320-00-558-0004
NIIN: 005580004
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 3-419-500-381
Manufacturer: Viking Pump, Inc
General Description
The Idler Assembly,pump, cataloged under National Stock Number 4320-00-558-0004, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Viking Pump, Inc. 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4320-00-558-0004
Primary Part Number
3-419-500-381
Item Name
Idler Assembly,pump
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
Viking Pump, Inc
Status
ACTIVE
General Characteristics Item Description
IDLER,IRON,DUCTILE,2.001 IN. MIN,2.003 IN. MAX LG,8 VANES EQUALLY SPACED 3.361 IN. MIN,3.362 IN. MAX OD,ENDS AND OD 63 MICROINCH FINISH,VANES 250 MICROINCH FINISH ON SIDES,BUSHING 1.1275 IN. MIN,1.1290 IN. MAX ID,2.001 IN. MIN,2.003 IN. MAX LG IN
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 4320-00-558-0004?
NSN 4320-00-558-0004 is a Idler Assembly,pump, manufactured by Viking Pump, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-00-558-0004?
NSN 4320-00-558-0004 has 1 manufacturer part number on file: 3-419-500-381 (Viking Pump, Inc).
What are the specifications of 3-419-500-381?
Key specifications for 3-419-500-381: General Characteristics Item Description: IDLER,IRON,DUCTILE,2.001 IN. MIN,2.003 IN. MAX LG,8 VANES EQUALLY SPACED 3.361 IN. MIN,3.362 IN. MAX OD,ENDS AND OD 63 MICROINCH FINISH,VANES 250 MICROINCH FINISH ON SIDES,BUSHING 1.1275 IN. MIN,1.1290 IN. MAX ID,2.001 IN. MIN,2.003 IN. MAX LG IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4320-00-558-0004 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.