PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25726Casing,separator

Drs Environmental Systems Inc · NSN 4310-00-657-6787 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-657-6787 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-657-6787. Primary manufacturer part number: 25726.
Features
  • Casing,separator — FSC 4310
  • 2 verified cross-references
  • Primary manufacturer: Drs Environmental Systems Inc
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Casing,separator, cataloged under National Stock Number 4310-00-657-6787, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCasing,separator
FSC / FSG4310 — No Item Name Available (FSG 43)
ManufacturersDrs Environmental Systems Inc (CAGE 5RQL2); Davey Compressor Co Div of Keco Industries Inc (CAGE 16004)
Technical Specifications
ParameterValue
NSN4310-00-657-6787
Primary Part Number25726
Item NameCasing,separator
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerDrs Environmental Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-075-5636172502-1 INTERCHANGEABLE
Gasket
Solar Turbines Incorporated Dba Solar Turbines Incorporated
5305-00-297-0933 INTERCHANGEABLE
Screw,machine
5940-00-549-273810-311-2 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
6240-00-682-3411039-000654 INTERCHANGEABLE
Lamp,glow
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
6625-01-048-952225726-1F INTERCHANGEABLE
Recorder Subassembly
L3 Technologies, Inc. Div L3harris Edo Western Corporation
Cross-Reference Index
Part NumberManufacturer
25726 Drs Environmental Systems Inc (USA)
25726 Davey Compressor Co Div of Keco Industries Inc (USA)
Related Parts
5330-00-075-5636INTERCHANGEABLE
GASKET
172502-1
5305-00-297-0933INTERCHANGEABLE
SCREW,MACHINE
5940-00-549-2738INTERCHANGEABLE
TERMINAL,STUD
10-311-2
6240-00-682-3411INTERCHANGEABLE
LAMP,GLOW
039-000654
6625-01-048-9522INTERCHANGEABLE
RECORDER SUBASSEMBLY
25726-1F

Frequently Asked Questions

What is NSN 4310-00-657-6787?

NSN 4310-00-657-6787 is a Casing,separator, manufactured by Drs Environmental Systems Inc, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-657-6787?

NSN 4310-00-657-6787 has 2 cross-referenced part numbers: 25726 (Drs Environmental Systems Inc), 25726 (Davey Compressor Co Div of Keco Industries Inc).

What NSN replaces 4310-00-657-6787?

There are 5 known substitutes for 4310-00-657-6787: 5330-00-075-5636, 5305-00-297-0933, 5940-00-549-2738 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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