PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TC2Cap,protective,dust and Moisture

Niagara Plastics L.l.c. · NSN 5340-01-019-4499 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-019-4499 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-019-4499. Primary manufacturer part number: TC2.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Design Type: THREADED
  • Inside Diameter Length: 0.500 INCHES NOMINAL IN
  • Connector Nominal Thread Size for Which Designed: 0.438 INCHES IN
  • Thread Size and Series/type Designator: 0.4375-20 UNF
  • Overall Diameter: 0.500 INCHES NOMINAL IN
  • Material: PLASTIC, POLYETHYLENE (PP)
  • Round Cap Outside Surface Condition: RIBBED
Applications
  • Applications requiring Plastic, Polyethylene (pp) construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-019-4499, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Niagara Plastics L.l.c.. Government technical data includes 7 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-01-019-4499
Primary Part NumberTC2
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNiagara Plastics L.l.c.
StatusACTIVE
Design TypeTHREADED
Inside Diameter Length0.500 INCHES NOMINAL IN
Connector Nominal Thread Size for Which Designed0.438 INCHES IN
Thread Size and Series/type Designator0.4375-20 UNF
Overall Diameter0.500 INCHES NOMINAL IN
MaterialPLASTIC, POLYETHYLENE (PP)
Round Cap Outside Surface ConditionRIBBED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4820-00-398-9495TC-2 INTERCHANGEABLE
Seat,valve
Circor Naval Solutions Llc Dba Warren Pumps
5950-00-481-1171 INTERCHANGEABLE
Reactor
5820-00-691-2554125-1001-60 INTERCHANGEABLE
Panelsignal Distrib
Tabet Manufacturing Company, Inc. Dba Tabet Manufacturing Co Inc
3950-00-702-2221 INTERCHANGEABLE
Crane,floor,portable
6740-01-336-7938 INTERCHANGEABLE
Temperature Control Unit,photogr
6650-01-683-6894TC-2 INTERCHANGEABLE
Case,optical Instrument
Krell Technologies Inc
Cross-Reference Index
Part NumberManufacturer
TC2 PRIMARY Niagara Plastics L.l.c. (USA)
Related Parts
4820-00-398-9495INTERCHANGEABLE
SEAT,VALVE
TC-2
5950-00-481-1171INTERCHANGEABLE
REACTOR
5820-00-691-2554INTERCHANGEABLE
PANELSIGNAL DISTRIB
125-1001-60
3950-00-702-2221INTERCHANGEABLE
CRANE,FLOOR,PORTABLE
6740-01-336-7938INTERCHANGEABLE
TEMPERATURE CONTROL UNIT,PHOTOGR
6650-01-683-6894INTERCHANGEABLE
CASE,OPTICAL INSTRUMENT
TC-2

Frequently Asked Questions

What is NSN 5340-01-019-4499?

NSN 5340-01-019-4499 is a Cap,protective,dust and Moisture, manufactured by Niagara Plastics L.l.c., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-019-4499?

NSN 5340-01-019-4499 has 1 cross-referenced part number: TC2 (Niagara Plastics L.l.c.).

What NSN replaces 5340-01-019-4499?

There are 6 known substitutes for 5340-01-019-4499: 4820-00-398-9495, 5950-00-481-1171, 5820-00-691-2554 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TC2?

Key specifications for TC2: Design Type: THREADED; Inside Diameter Length: 0.500 INCHES NOMINAL IN; Connector Nominal Thread Size for Which Designed: 0.438 INCHES IN; Thread Size and Series/type Designator: 0.4375-20 UNF. 7 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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