PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71400Spacer,sleeve

Api Heat Transfer Thermasys Corporation · NSN 5365-01-439-9193 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-439-9193 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-439-9193. Primary manufacturer part number: 71400.
Features
  • Spacer,sleeve — FSC 5365
  • Material: STEEL OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Inside Diameter: 0.2550 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM IN
  • Body Outside Diameter: 0.4320 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • 2 verified cross-references
  • Primary manufacturer: Api Heat Transfer Thermasys Corporation
Applications
  • Applications requiring Steel Overall construction
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-01-439-9193, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Api Heat Transfer Thermasys Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-439-9193
Primary Part Number71400
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerApi Heat Transfer Thermasys Corporation
StatusACTIVE
MaterialSTEEL OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter0.2550 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM IN
Body Outside Diameter0.4320 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
7810-00-663-027271400 INTERCHANGEABLE
Net,goal,soccer
Carron Net Company, Inc. Dba Carron Net Co Inc
4720-00-790-149171400 INTERCHANGEABLE
Hose,preformed
Cnh Industrial America Llc Dba Cnh America
5935-01-123-816971400 INTERCHANGEABLE
Connector,receptacle,electrical
Lockheed Martin Corporation Div Rms - Mitchel Field
6635-01-175-974271400 INTERCHANGEABLE
Tester,material Hardness
Shore Instrument and Mfg Co Inc Sub of High Voltage Engineering Corp
4820-01-182-0782071200D INTERCHANGEABLE
Valve,ball
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
4820-01-182-0828085447 INTERCHANGEABLE
Seat,valve
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
6150-01-204-0564044558 INTERCHANGEABLE
Lead,electrical
Bacharach, Inc.
5360-01-346-1987714-00 INTERCHANGEABLE
Spring,helical,compression
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
3455-01-390-409571400 INTERCHANGEABLE
Cutter,milling,end
Niagara Cutter Inc
3695-01-644-213471400 INTERCHANGEABLE
Chain,chain Saw
Grainger W W Inc Industrial Supply Div
Cross-Reference Index
Part NumberManufacturer
71400 Thermasys Corporation Dba General Thermo Dynamics Div General Thermodynamics Div
71400 PRIMARY Api Heat Transfer Thermasys Corporation (USA)
Related Parts
7810-00-663-0272INTERCHANGEABLE
NET,GOAL,SOCCER
71400
4720-00-790-1491INTERCHANGEABLE
HOSE,PREFORMED
71400
5935-01-123-8169INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
71400
6635-01-175-9742INTERCHANGEABLE
TESTER,MATERIAL HARDNESS
71400
4820-01-182-0782INTERCHANGEABLE
VALVE,BALL
071200D
4820-01-182-0828INTERCHANGEABLE
SEAT,VALVE
085447
6150-01-204-0564INTERCHANGEABLE
LEAD,ELECTRICAL
044558
5360-01-346-1987INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
714-00
3455-01-390-4095INTERCHANGEABLE
CUTTER,MILLING,END
71400
3695-01-644-2134INTERCHANGEABLE
CHAIN,CHAIN SAW
71400

Frequently Asked Questions

What is NSN 5365-01-439-9193?

NSN 5365-01-439-9193 is a Spacer,sleeve, manufactured by Api Heat Transfer Thermasys Corporation, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-439-9193?

NSN 5365-01-439-9193 has 2 cross-referenced part numbers: 71400 (Thermasys Corporation Dba General Thermo Dynamics Div General Thermodynamics Div), 71400 (Api Heat Transfer Thermasys Corporation).

What NSN replaces 5365-01-439-9193?

There are 10 known substitutes for 5365-01-439-9193: 7810-00-663-0272, 4720-00-790-1491, 5935-01-123-8169 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 71400?

Key specifications for 71400: Material: STEEL OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Body Inside Diameter: 0.2550 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM IN; Overall Length: 0.3300 INCHES MINIMUM AND 0.3400 INCHES MAXIMUM IN. 6 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