PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20549AYoke,valve,compressor

Norwalk Compreseer Company Inc Dba Norwalk Compressor Company · NSN 4310-00-112-7149 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-112-7149 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-112-7149. Primary manufacturer part number: 20549A.
Features
  • Yoke,valve,compressor — FSC 4310
  • General Characteristics Item Description: STL; 3.438 IN. W; 2.250 IN. LG IN
  • 2 verified cross-references
  • Primary manufacturer: Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Yoke,valve,compressor, cataloged under National Stock Number 4310-00-112-7149, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Norwalk Compreseer Company Inc Dba Norwalk Compressor Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-112-7149
Primary Part Number20549A
Item NameYoke,valve,compressor
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerNorwalk Compreseer Company Inc Dba Norwalk Compressor Company
StatusACTIVE
General Characteristics Item DescriptionSTL; 3.438 IN. W; 2.250 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2815-00-146-7417 INTERCHANGEABLE
Engine Block,diesel
5915-00-818-3391SP158 INTERCHANGEABLE
Filter,radio Frequency Interfere
Ems Development Corporation Dba Ems Development Corp
4820-00-988-7269 INTERCHANGEABLE
Valve,globe
4920-01-100-89245175 INTERCHANGEABLE
Parts Kit,swaggering
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4820-01-307-9624470700NN1 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5975-01-564-38495175 INTERCHANGEABLE
Shelf,electrical Equipment
Caci Nss, Llc
5895-01-577-8323 INTERCHANGEABLE
Dual Unit Housing
6530-01-660-85125175 INTERCHANGEABLE
Rack,weight Set,storage
Performance Health Supply, Llc Dba Sammons Preston Rolyan
5920-01-719-45275175 INTERCHANGEABLE
Fuse,enclosed Link
Navico Group Americas Llc Dba Power Products of Delaware, Llc Div Navico Group, Previously Power Products Llc
Cross-Reference Index
Part NumberManufacturer
20549A Norwalk Compreseer Company Inc Dba Norwalk Compressor Company (USA)
5175 Norwalk Compreseer Company Inc Dba Norwalk Compressor Company (USA)
Related Parts
2815-00-146-7417INTERCHANGEABLE
ENGINE BLOCK,DIESEL
5915-00-818-3391INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
SP158
4820-00-988-7269INTERCHANGEABLE
VALVE,GLOBE
4920-01-100-8924INTERCHANGEABLE
PARTS KIT,SWAGGERING
5175
4820-01-307-9624INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
470700NN1
5975-01-564-3849INTERCHANGEABLE
SHELF,ELECTRICAL EQUIPMENT
5175
5895-01-577-8323INTERCHANGEABLE
DUAL UNIT HOUSING
6530-01-660-8512INTERCHANGEABLE
RACK,WEIGHT SET,STORAGE
5175
5920-01-719-4527INTERCHANGEABLE
FUSE,ENCLOSED LINK
5175

Frequently Asked Questions

What is NSN 4310-00-112-7149?

NSN 4310-00-112-7149 is a Yoke,valve,compressor, manufactured by Norwalk Compreseer Company Inc Dba Norwalk Compressor Company, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-112-7149?

NSN 4310-00-112-7149 has 2 cross-referenced part numbers: 20549A (Norwalk Compreseer Company Inc Dba Norwalk Compressor Company), 5175 (Norwalk Compreseer Company Inc Dba Norwalk Compressor Company).

What NSN replaces 4310-00-112-7149?

There are 9 known substitutes for 4310-00-112-7149: 2815-00-146-7417, 5915-00-818-3391, 4820-00-988-7269 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20549A?

Key specifications for 20549A: General Characteristics Item Description: STL; 3.438 IN. W; 2.250 IN. LG IN; End Item Identification: 15 X 12,TYPE TDR-S5T AIR COMPRESSOR. 2 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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