PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5274-4Adapter,air Conditioning-Heating

Textron Ground Support Equipment Inc. Div Textron Gse · NSN 1680-01-518-8670 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-01-518-8670 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-518-8670. Primary manufacturer part number: 5274-4.
Features
  • Adapter,air Conditioning-Heating — FSC 1680
  • 2 verified cross-references
  • Primary manufacturer: Textron Ground Support Equipment Inc. Div Textron Gse
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Adapter,air Conditioning-Heating, cataloged under National Stock Number 1680-01-518-8670, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Textron Ground Support Equipment Inc. Div Textron Gse. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1680-01-518-8670
Primary Part Number5274-4
Item NameAdapter,air Conditioning-Heating
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerTextron Ground Support Equipment Inc. Div Textron Gse
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-100-368802474 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Federal-Mogul Corp Government Sales Dept
5915-00-456-2227 INTERCHANGEABLE
Filter Assembly,electrical
3110-00-713-345052744 INTERCHANGEABLE
Bearing,ball,annular
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
2990-01-314-88977752744 INTERCHANGEABLE
Muffler,exhaust
Deutz Corporation
5210-01-367-7656657A INTERCHANGEABLE
Holder,dial Indicator
L.s. Starrett Company (the) Div Tool Division
Cross-Reference Index
Part NumberManufacturer
5274-4 Textron Ground Support Equipment Inc. Div Textron Gse (USA)
5274-4 Stewart & Stevenson Services Inc Dba Stewart &stevenson Tug or S&s Tug Div Tug Manufacturing (USA)
Related Parts
3110-00-100-3688INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
02474
5915-00-456-2227INTERCHANGEABLE
FILTER ASSEMBLY,ELECTRICAL
3110-00-713-3450INTERCHANGEABLE
BEARING,BALL,ANNULAR
52744
2990-01-314-8897INTERCHANGEABLE
MUFFLER,EXHAUST
7752744
5210-01-367-7656INTERCHANGEABLE
HOLDER,DIAL INDICATOR
657A

Frequently Asked Questions

What is NSN 1680-01-518-8670?

NSN 1680-01-518-8670 is a Adapter,air Conditioning-Heating, manufactured by Textron Ground Support Equipment Inc. Div Textron Gse, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-01-518-8670?

NSN 1680-01-518-8670 has 2 cross-referenced part numbers: 5274-4 (Textron Ground Support Equipment Inc. Div Textron Gse), 5274-4 (Stewart & Stevenson Services Inc Dba Stewart &stevenson Tug or S&s Tug Div Tug Manufacturing).

What NSN replaces 1680-01-518-8670?

There are 5 known substitutes for 1680-01-518-8670: 3110-00-100-3688, 5915-00-456-2227, 3110-00-713-3450 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5274-4?

Key specifications for 5274-4: Part Name Assigned by Controlling Agency: ADAPTER; End Item Identification: MK12. 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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