PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27-2Reducer,pipe

Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co · NSN 4730-01-122-3999 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-122-3999 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-122-3999. Primary manufacturer part number: 27-2.
Features
  • Reducer,pipe — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-122-3999, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameReducer,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersFoster Manufacturing Co, Inc. Dba Foster Manufacturing Co (CAGE 14127); Edwards Vacuum Llc (CAGE 21268)
Technical Specifications
ParameterValue
NSN4730-01-122-3999
Primary Part Number27-2
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFoster Manufacturing Co, Inc. Dba Foster Manufacturing Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-105-996710552762 INTERCHANGEABLE
Connector,plug,electrical
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5950-00-199-2161 INTERCHANGEABLE
Transformer,power
7450-00-210-9023272 INTERCHANGEABLE
Transcribing Machine
International Business Machines Corp Parts Order Center Dept E - 54
4820-00-274-36369802 INTERCHANGEABLE
Cock,plug
A Y Mcdonald Mfg Co
4940-00-300-3645272 INTERCHANGEABLE
Tank,safety Wash
Protectoseal Co Container Div
5975-00-319-0798 INTERCHANGEABLE
Cover,conduit Outlet
5310-00-653-152227-2 INTERCHANGEABLE
Washer,flat
Fairbanks Morse, Llc
3415-00-729-3902 INTERCHANGEABLE
Grinding Machine,internal,chucki
4820-00-752-9591 INTERCHANGEABLE
Cock,plug
5930-00-823-0876 INTERCHANGEABLE
Switch,pressure
Cross-Reference Index
Part NumberManufacturer
27-2 PRIMARY Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (USA)
11608-40202G5A6 PRIMARY Edwards Vacuum Llc (USA)
Related Parts
5935-00-105-9967INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
10552762
5950-00-199-2161INTERCHANGEABLE
TRANSFORMER,POWER
7450-00-210-9023INTERCHANGEABLE
TRANSCRIBING MACHINE
272
4820-00-274-3636INTERCHANGEABLE
COCK,PLUG
9802
4940-00-300-3645INTERCHANGEABLE
TANK,SAFETY WASH
272
5975-00-319-0798INTERCHANGEABLE
COVER,CONDUIT OUTLET
5310-00-653-1522INTERCHANGEABLE
WASHER,FLAT
27-2
3415-00-729-3902INTERCHANGEABLE
GRINDING MACHINE,INTERNAL,CHUCKI
4820-00-752-9591INTERCHANGEABLE
COCK,PLUG
5930-00-823-0876INTERCHANGEABLE
SWITCH,PRESSURE
5999-01-015-3891INTERCHANGEABLE
CLIP,ELECTRICAL
584368-2
4730-01-162-9061INTERCHANGEABLE
ADAPTER,STRAIGHT,HOSE TO BOSS
27-2

Frequently Asked Questions

What is NSN 4730-01-122-3999?

NSN 4730-01-122-3999 is a Reducer,pipe, manufactured by Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-122-3999?

NSN 4730-01-122-3999 has 2 cross-referenced part numbers: 27-2 (Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co), 11608-40202G5A6 (Edwards Vacuum Llc).

What NSN replaces 4730-01-122-3999?

There are 12 known substitutes for 4730-01-122-3999: 5935-00-105-9967, 5950-00-199-2161, 7450-00-210-9023 and 9 more. Verify interchangeability with system specifications before substitution.

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