PartsTable TECHNICAL DATA SHEET
NSN 4320-01-517-8558Government record, cited

Ejector, Jet4320-01-517-8558

NSN 4320-01-517-8558 · NIIN 015178558 · Part number TDJ-105SA
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 61208
Government record, cited
NSN 4320-01-517-8558 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-517-8558. Manufacturer of record part number: TDJ-105SA.
Also searched as  4320-01-517-8558 · 4320015178558 · NIIN 015178558 · 01-517-8558 · FSC 4320 Power and Hand Pumps · CAGE 61208 · TDJ-105SA
Nearby stock numbers  ·
Features
  • Ejector,jet — FSC 4320
  • Jet Quantity: 1
  • Criticality Code Justification: FEAT
  • Material: ALUMINUM ALLOY BODY
  • Material: ALUMINUM ALLOY JET
  • Operation Method: HYDRAULIC OIL
  • 1 manufacturer part number on file
  • Manufacturer of record: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Identification
  • NSN: 4320-01-517-8558
  • NIIN: 015178558
  • FSC: 4320 — Power and Hand Pumps
  • FSG: 43 — Pumps and Compressors
  • Primary part number: TDJ-105SA
  • Manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
General Description

The Ejector,jet, cataloged under National Stock Number 4320-01-517-8558, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 5 specifications, 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
ParameterValue
NSN4320-01-517-8558
Primary Part NumberTDJ-105SA
Item NameEjector,jet
FSC / FSG4320 / 43 — Power and Hand Pumps
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Jet Quantity1
Criticality Code JustificationFEAT
MaterialALUMINUM ALLOY BODY
MaterialALUMINUM ALLOY JET
Operation MethodHYDRAULIC OIL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeY
Cross-Reference Index
Part NumberManufacturer
TDJ-105SA PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
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 4320-01-517-8558?

NSN 4320-01-517-8558 is a Ejector,jet, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-517-8558?

NSN 4320-01-517-8558 has 1 manufacturer part number on file: TDJ-105SA (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What are the specifications of TDJ-105SA?

Key specifications for TDJ-105SA: Jet Quantity: 1; Criticality Code Justification: FEAT; Special Features: WEAPON SYSTEM ESSENTIAL. DOEN WATERJET,MODEL TDJ-105SA; Part Name Assigned by Controlling Agency: EJECTOR,JET. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-517-8558 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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