PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31203Cooling Coil,air,duct Type

Hdt Expeditionary Systems Inc · NSN 4130-00-809-5457 · FSC 4130 · No Item Name Available
Verified by PartsTable
NSN 4130-00-809-5457 — this item is cataloged by the U.S. Government under National Stock Number 4130-00-809-5457. Primary manufacturer part number: 31203.
Features
  • Cooling Coil,air,duct Type — FSC 4130
  • 4 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cooling Coil,air,duct Type, cataloged under National Stock Number 4130-00-809-5457, is classified within Federal Supply Class 4130 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4130-00-809-5457
Primary Part Number31203
Item NameCooling Coil,air,duct Type
FSC / FSG4130 / 41 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-111-648031203 INTERCHANGEABLE
Seal,oil
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5945-00-259-5500TKLHPX2 INTERCHANGEABLE
Relay,electromagnetic
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
4931-00-466-7893FT-16AEU3-LAA-1 INTERCHANGEABLE
Flowmeter,turbine
Fti Flow Technology Llc
5365-00-485-4342 INTERCHANGEABLE
Spacer,ring
5120-00-517-53475120-00-517-5347 INTERCHANGEABLE
Wrench,tap and Reamer
General Services Administration Federal Supply Service
5935-00-883-217331-203 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
3455-01-044-79491726-0500 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
6515-01-104-2027 INTERCHANGEABLE
Plate,eggers
4820-01-122-569931203 INTERCHANGEABLE
Valve,control
London Machinery Inc
6520-01-540-458231203 INTERCHANGEABLE
Switch,mains
Vident
Cross-Reference Index
Part NumberManufacturer
C31203 Keco Industries, Inc. (USA)
31203 PRIMARY Hdt Expeditionary Systems Inc (USA)
31203 Drs Environmental Systems Inc (USA)
31203 Keco Industries, Inc. (USA)
Related Parts
5330-00-111-6480INTERCHANGEABLE
SEAL,OIL
31203
5945-00-259-5500INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
TKLHPX2
4931-00-466-7893INTERCHANGEABLE
FLOWMETER,TURBINE
FT-16AEU3-LAA-1
5365-00-485-4342INTERCHANGEABLE
SPACER,RING
5120-00-517-5347INTERCHANGEABLE
WRENCH,TAP AND REAMER
5120-00-517-5347
5935-00-883-2173INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
31-203
3455-01-044-7949INTERCHANGEABLE
CUTTER,MILLING,END
1726-0500
6515-01-104-2027INTERCHANGEABLE
PLATE,EGGERS
4820-01-122-5699INTERCHANGEABLE
VALVE,CONTROL
31203
6520-01-540-4582INTERCHANGEABLE
SWITCH,MAINS
31203
5310-01-571-8345INTERCHANGEABLE
NUT HEX,AIRCRAFT,MA
5995-01-630-8888INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
31203

Frequently Asked Questions

What is NSN 4130-00-809-5457?

NSN 4130-00-809-5457 is a Cooling Coil,air,duct Type, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4130 (No Item Name Available). Status: active.

What are the part numbers for NSN 4130-00-809-5457?

NSN 4130-00-809-5457 has 4 cross-referenced part numbers: C31203 (Keco Industries, Inc.), 31203 (Hdt Expeditionary Systems Inc), 31203 (Drs Environmental Systems Inc), 31203 (Keco Industries, Inc.).

What NSN replaces 4130-00-809-5457?

There are 12 known substitutes for 4130-00-809-5457: 5330-00-111-6480, 5945-00-259-5500, 4931-00-466-7893 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31203?

Key specifications for 31203: Special Features: DESIGNED FOR FREON 12 /DICHLORODIFLUOROMETHANE,TECHNICAL/,TUBE DATA,COPPER,200,10 ROWS,STAGGERED,3/8 IN.OD,FIN DATA,COPPER,120 PER IN.,MECHANICALLY BONDED TO TUBES FOLLOWED BY SOLDER BOND PROCEDURE CYCLE,SUPPLY AND RETURN CONNECTIONS ARE AT SAME END,CONNECTION DATA,SUPPLY CONNECTION DATA,2,MALE,1-1/8 IN.OD,RETURN CONNECTION DATA,TUBE,2,MALE,1-5/8 IN.OD,4.52 SQ FT.NOT FACE AREA,NOT RATED FOR SURFACE AREA,O/A DIM.,42-1/2 IN.LG,20 IN.W,12-1/2 IN.THK,500 LB RATED HYDROSTATIC TEST PRESSURE;PART NO.C31203; LBS. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com