PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P558826-1Cylinder,compressor

Lexair Inc · NSN 4310-00-794-2733 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-794-2733 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-794-2733. Primary manufacturer part number: P558826-1.
Features
  • Cylinder,compressor — FSC 4310
  • General Characteristics Item Description: HIGH PRESSURE; GAS MEDIA; 4 MTG HOLES FOR 0.375 IN. STUDS; 1 INLET ; 1 OUTLET,BORE 0.812 IN. DIA IN
  • 8 verified cross-references
  • Primary manufacturer: Lexair Inc
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Cylinder,compressor, cataloged under National Stock Number 4310-00-794-2733, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Lexair Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-794-2733
Primary Part NumberP558826-1
Item NameCylinder,compressor
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerLexair Inc
StatusACTIVE
General Characteristics Item DescriptionHIGH PRESSURE; GAS MEDIA; 4 MTG HOLES FOR 0.375 IN. STUDS; 1 INLET ; 1 OUTLET,BORE 0.812 IN. DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2530-00-270-3878220636N INTERCHANGEABLE
Dummy Coupling,automotive Air Br
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
8145-01-222-512515650 INTERCHANGEABLE
Shipping and Storage Container
Naval Inventory Control Point
5930-01-341-45761203P0080 INTERCHANGEABLE
Switch,pressure
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
Cross-Reference Index
Part NumberManufacturer
X5008/12/156/50 Wellman Group (GBR)
P55826 Lexair Inc (USA)
X5008/12/156 ITEM 50 Wellman Group (GBR)
156 ITEM 50 Wellman Group (GBR)
P55826-1 Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp (USA)
156/50 Wellman Group (GBR)
P558826-1 PRIMARY Lexair Inc (USA)
P55826-1 Lexair Inc (USA)
Related Parts
2530-00-270-3878INTERCHANGEABLE
DUMMY COUPLING,AUTOMOTIVE AIR BR
220636N
8145-01-222-5125INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER
15650
5930-01-341-4576INTERCHANGEABLE
SWITCH,PRESSURE
1203P0080

Frequently Asked Questions

What is NSN 4310-00-794-2733?

NSN 4310-00-794-2733 is a Cylinder,compressor, manufactured by Lexair Inc, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-794-2733?

NSN 4310-00-794-2733 has 8 cross-referenced part numbers: X5008/12/156/50 (Wellman Group), P55826 (Lexair Inc), X5008/12/156 ITEM 50 (Wellman Group), 156 ITEM 50 (Wellman Group), P55826-1 (Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp) and 3 more.

What NSN replaces 4310-00-794-2733?

There are 3 known substitutes for 4310-00-794-2733: 2530-00-270-3878, 8145-01-222-5125, 5930-01-341-4576. Verify interchangeability with system specifications before substitution.

What are the specifications of P558826-1?

Key specifications for P558826-1: General Characteristics Item Description: HIGH PRESSURE; GAS MEDIA; 4 MTG HOLES FOR 0.375 IN. STUDS; 1 INLET ; 1 OUTLET,BORE 0.812 IN. DIA IN. 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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