PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45127Piston,valve

Drs Environmental Systems Inc · NSN 4820-01-009-9226 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-009-9226 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-009-9226. Primary manufacturer part number: 45127.
Features
  • Piston,valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Drs Environmental Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-009-9226, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Drs Environmental Systems Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-009-9226
Primary Part Number45127
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDrs Environmental Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-198-594445127 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
2520-00-962-11153-65896 INTERCHANGEABLE
Parts Kit,universal Joint
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
5110-01-006-594445-127 INTERCHANGEABLE
Stripper,cable,hand
Ideal Industries, Inc.
6850-01-305-975945127 INTERCHANGEABLE
Compound Kit,rust Preventive
Precision Steel Warehouse Inc Precision Brand Products Div
6230-01-325-059545857 INTERCHANGEABLE
Lantern,battery Operated
Stream Light Inc
3455-01-365-1665307-19 INTERCHANGEABLE
Cutter,milling,side
Kennametal Inc. Div Kennametal Industrial Products Group
Cross-Reference Index
Part NumberManufacturer
45127 Drs Environmental Systems Inc (USA)
45127 Davey Compressor Co Div of Keco Industries Inc (USA)
Related Parts
5950-00-198-5944INTERCHANGEABLE
TRANSFORMER,POWER
45127
2520-00-962-1115INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
3-65896
5110-01-006-5944INTERCHANGEABLE
STRIPPER,CABLE,HAND
45-127
6850-01-305-9759INTERCHANGEABLE
COMPOUND KIT,RUST PREVENTIVE
45127
6230-01-325-0595INTERCHANGEABLE
LANTERN,BATTERY OPERATED
45857
3455-01-365-1665INTERCHANGEABLE
CUTTER,MILLING,SIDE
307-19

Frequently Asked Questions

What is NSN 4820-01-009-9226?

NSN 4820-01-009-9226 is a Piston,valve, manufactured by Drs Environmental Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-009-9226?

NSN 4820-01-009-9226 has 2 cross-referenced part numbers: 45127 (Drs Environmental Systems Inc), 45127 (Davey Compressor Co Div of Keco Industries Inc).

What NSN replaces 4820-01-009-9226?

There are 6 known substitutes for 4820-01-009-9226: 5950-00-198-5944, 2520-00-962-1115, 5110-01-006-5944 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45127?

Key specifications for 45127: End Item Identification: VALVE P/N 66447,66448 AND 66449. 1 total characteristics are documented in the Federal Logistics Information System.

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