PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TB0170Segment,oil Drain

Ingersoll-Dresser Pump Co · NSN 4320-01-120-8320 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-120-8320 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-120-8320. Primary manufacturer part number: TB0170.
Features
  • Segment,oil Drain — FSC 4320
  • 4 verified cross-references
  • Primary manufacturer: Ingersoll-Dresser Pump Co
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Segment,oil Drain, cataloged under National Stock Number 4320-01-120-8320, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Ingersoll-Dresser Pump Co. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSegment,oil Drain
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersIngersoll-Dresser Pump Co (CAGE 77081)
Technical Specifications
ParameterValue
NSN4320-01-120-8320
Primary Part NumberTB0170
Item NameSegment,oil Drain
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerIngersoll-Dresser Pump Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-01-120-5680 INTERCHANGEABLE
Restrictor,fluid Flow
4820-01-120-8271 INTERCHANGEABLE
Seat,valve
4320-01-121-0513 INTERCHANGEABLE
Governor,pump,pressure Regulatin
4820-01-121-1855 INTERCHANGEABLE
Seat,valve
3040-01-121-2886 INTERCHANGEABLE
Shaft Idler,gear
Cross-Reference Index
Part NumberManufacturer
TB0170 Ingersoll-Dresser Pump Co (USA)
TB170 Ingersoll-Dresser Pump Co (USA)
F254B-PIECE82 Ingersoll-Dresser Pump Co (USA)
F254B Ingersoll-Dresser Pump Co (USA)
Related Parts
4730-01-120-5680INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
4820-01-120-8271INTERCHANGEABLE
SEAT,VALVE
4320-01-121-0513INTERCHANGEABLE
GOVERNOR,PUMP,PRESSURE REGULATIN
4820-01-121-1855INTERCHANGEABLE
SEAT,VALVE
3040-01-121-2886INTERCHANGEABLE
SHAFT IDLER,GEAR

Frequently Asked Questions

What is NSN 4320-01-120-8320?

NSN 4320-01-120-8320 is a Segment,oil Drain, manufactured by Ingersoll-Dresser Pump Co, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-120-8320?

NSN 4320-01-120-8320 has 4 cross-referenced part numbers: TB0170 (Ingersoll-Dresser Pump Co), TB170 (Ingersoll-Dresser Pump Co), F254B-PIECE82 (Ingersoll-Dresser Pump Co), F254B (Ingersoll-Dresser Pump Co).

What NSN replaces 4320-01-120-8320?

There are 5 known substitutes for 4320-01-120-8320: 4730-01-120-5680, 4820-01-120-8271, 4320-01-121-0513 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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