PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-491Piston,compressor

Rix Industries · NSN 4310-00-138-1918 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-138-1918 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-138-1918. Primary manufacturer part number: 8-491.
Features
  • Piston,compressor — FSC 4310
  • 2 verified cross-references
  • Primary manufacturer: Rix Industries
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Piston,compressor, cataloged under National Stock Number 4310-00-138-1918, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Rix Industries. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePiston,compressor
FSC / FSG4310 — No Item Name Available (FSG 43)
ManufacturersRix Industries (CAGE 28953)
Technical Specifications
ParameterValue
NSN4310-00-138-1918
Primary Part Number8-491
Item NamePiston,compressor
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerRix Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5815-00-126-42278491 INTERCHANGEABLE
Strip,wearing
Telemechanics Inc
6145-00-231-20588641 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5330-00-483-72388491 INTERCHANGEABLE
Gasket
Hamilton Sundstrand Corporation Dba Collins Aerospace
5826-00-512-9066 INTERCHANGEABLE
Mounting
3030-00-822-2417 INTERCHANGEABLE
Belt,v
5995-01-068-79288491 INTERCHANGEABLE
Cord Assembly,electrical
Belden Wire and Cable Co Wire and Cable Office
3040-01-280-43568559 INTERCHANGEABLE
Bracket,eye,rotating Shaft
Motion Industries Div Columbus
4820-01-650-273984-99 INTERCHANGEABLE
Valve,bleeder,hydraulic System
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
Cross-Reference Index
Part NumberManufacturer
K8-491 Rix Industries (USA)
8-491 PRIMARY Rix Industries (USA)
Related Parts
5815-00-126-4227INTERCHANGEABLE
STRIP,WEARING
8491
6145-00-231-2058INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8641
5330-00-483-7238INTERCHANGEABLE
GASKET
8491
5826-00-512-9066INTERCHANGEABLE
MOUNTING
3030-00-822-2417INTERCHANGEABLE
BELT,V
5995-01-068-7928INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
8491
3040-01-280-4356INTERCHANGEABLE
BRACKET,EYE,ROTATING SHAFT
8559
4820-01-650-2739INTERCHANGEABLE
VALVE,BLEEDER,HYDRAULIC SYSTEM
84-99

Frequently Asked Questions

What is NSN 4310-00-138-1918?

NSN 4310-00-138-1918 is a Piston,compressor, manufactured by Rix Industries, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-138-1918?

NSN 4310-00-138-1918 has 2 cross-referenced part numbers: K8-491 (Rix Industries), 8-491 (Rix Industries).

What NSN replaces 4310-00-138-1918?

There are 8 known substitutes for 4310-00-138-1918: 5815-00-126-4227, 6145-00-231-2058, 5330-00-483-7238 and 5 more. Verify interchangeability with system specifications before substitution.

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