PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2646Cap,filler Opening

Wisco Products Inc · NSN 5340-01-273-5743 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-273-5743 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-273-5743. Primary manufacturer part number: 2646.
Features
  • Cap,filler Opening — FSC 5340
  • Material: STEEL OVERALL
  • Filler Neck Diameter for Which Designed: 2.200 INCHES NOMINAL IN
  • Pressure Relief Method: MANUAL
  • System for Which Designed: PRESSURIZED
  • Retaining Device Type: WIRE HOOK
  • Maximum Working Pressure: 15.000 POUNDS PER SQUARE INCH (PSI) LBS
  • 1 verified cross-reference
Applications
  • Applications requiring Steel Overall construction
General Description

The Cap,filler Opening, cataloged under National Stock Number 5340-01-273-5743, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wisco Products Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-273-5743
Primary Part Number2646
Item NameCap,filler Opening
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerWisco Products Inc
StatusACTIVE
MaterialSTEEL OVERALL
Filler Neck Diameter for Which Designed2.200 INCHES NOMINAL IN
Pressure Relief MethodMANUAL
System for Which DesignedPRESSURIZED
Retaining Device TypeWIRE HOOK
Maximum Working Pressure15.000 POUNDS PER SQUARE INCH (PSI) LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5930-00-110-08292646 INTERCHANGEABLE
Switch,rotary
General Microwave Corporation Div Kratos Microwave Electronics
3110-00-111-734302-0646-20 INTERCHANGEABLE
Bearing,ball,annular
Scotsman Industries Inc Div Scotsman Ice Systems
5330-00-252-3908 INTERCHANGEABLE
Gasket
5970-01-028-44332646 INTERCHANGEABLE
Insulator,standoff
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5331-01-038-0926757 262 INTERCHANGEABLE
O-Ring
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5305-01-047-78412646 INTERCHANGEABLE
Screw,cap,hexagon Head
Clayton Manufacturing Company
5950-01-350-09602646 INTERCHANGEABLE
Transformer,power
Vaisala Inc.
6130-01-394-25752646 INTERCHANGEABLE
Power Supply
Modular Devices Inc Dba Modular Devices Inc
6515-01-590-89052646 INTERCHANGEABLE
Sensor,oxygen Monitoring
Masimo Corporation
5935-01-624-97752646 INTERCHANGEABLE
Connector,plug,electrical
Heyco Inc Dba Heyco Products
Cross-Reference Index
Part NumberManufacturer
2646 PRIMARY Wisco Products Inc (USA)
Related Parts
5930-00-110-0829INTERCHANGEABLE
SWITCH,ROTARY
2646
3110-00-111-7343INTERCHANGEABLE
BEARING,BALL,ANNULAR
02-0646-20
5330-00-252-3908INTERCHANGEABLE
GASKET
5970-01-028-4433INTERCHANGEABLE
INSULATOR,STANDOFF
2646
5331-01-038-0926INTERCHANGEABLE
O-RING
757 262
5305-01-047-7841INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
2646
5950-01-350-0960INTERCHANGEABLE
TRANSFORMER,POWER
2646
6130-01-394-2575INTERCHANGEABLE
POWER SUPPLY
2646
6515-01-590-8905INTERCHANGEABLE
SENSOR,OXYGEN MONITORING
2646
5935-01-624-9775INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2646
5120-01-651-6528INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
2646
5935-01-669-6647INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL

Frequently Asked Questions

What is NSN 5340-01-273-5743?

NSN 5340-01-273-5743 is a Cap,filler Opening, manufactured by Wisco Products Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-273-5743?

NSN 5340-01-273-5743 has 1 cross-referenced part number: 2646 (Wisco Products Inc).

What NSN replaces 5340-01-273-5743?

There are 12 known substitutes for 5340-01-273-5743: 5930-00-110-0829, 3110-00-111-7343, 5330-00-252-3908 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2646?

Key specifications for 2646: Material: STEEL OVERALL; Filler Neck Diameter for Which Designed: 2.200 INCHES NOMINAL IN; Pressure Relief Method: MANUAL; System for Which Designed: PRESSURIZED. 6 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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