PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U536975-4Cap,protective,dust and Moisture

Triumph Thermal Systems, Llc · NSN 5340-00-435-9188 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-435-9188 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-435-9188. Primary manufacturer part number: U536975-4.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Design Type: THREADED
  • Thread Class: 2B
  • Inside Diameter Length: 0.240 INCHES NOMINAL IN
  • Thread Size and Series/type Designator: 0.438-24 UNS
  • Material: PLASTIC, POLYETHYLENE (PP)
  • 8 verified cross-references
  • Primary manufacturer: Triumph Thermal Systems, Llc
Applications
  • Applications requiring Plastic, Polyethylene (pp) construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-435-9188, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Thermal Systems, Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-435-9188
Primary Part NumberU536975-4
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerTriumph Thermal Systems, Llc
StatusCANCELLED
Design TypeTHREADED
Thread Class2B
Inside Diameter Length0.240 INCHES NOMINAL IN
Thread Size and Series/type Designator0.438-24 UNS
MaterialPLASTIC, POLYETHYLENE (PP)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
No Item Name Available
6850-00-177-5094AS8660 2.00 OZ TU INTERCHANGEABLE
Silicone Compound
Sae International Dba Sae International
4210-00-204-0992DC4 INTERCHANGEABLE
Extinguisher,fire
General Fire Extinguisher Corp
8030-00-874-5875DC4 COMPOUND,8OZ INTERCHANGEABLE
Sealing Compound
Dow Silicones Corporation
6850-00-880-7616AS8660 8.00 OZ TU INTERCHANGEABLE
Silicone Compound
Sae International Dba Sae International
3040-01-234-7057 INTERCHANGEABLE
Receiver-Transmitter,hydraulic C
4440-01-572-4188DC-4 INTERCHANGEABLE
Drier,air-Gas,desiccant
Des Case Corp
Cross-Reference Index
Part NumberManufacturer
U536975-4 PRIMARY Triumph Thermal Systems, Llc (USA)
DC-4-1KE1 PRIMARY Niagara Plastics L.l.c. (USA)
10117361 Nimikkeistokeskus Ncb Finland (FIN)
ST7M293-4 The Boeing Company Div Defense (USA)
S54-4 Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
DC4 Niagara Plastics L.l.c. (USA)
DC-4-1KE1 Es3 Prime Logistics Group Inc Dba Es3 Plg (USA)
SP764-04 PRIMARY Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace (USA)
Related Parts
5340-00-364-9559SUCCESSOR
NO ITEM NAME AVAILABLE
6850-00-177-5094INTERCHANGEABLE
SILICONE COMPOUND
AS8660 2.00 OZ TU
4210-00-204-0992INTERCHANGEABLE
EXTINGUISHER,FIRE
DC4
8030-00-874-5875INTERCHANGEABLE
SEALING COMPOUND
DC4 COMPOUND,8OZ
6850-00-880-7616INTERCHANGEABLE
SILICONE COMPOUND
AS8660 8.00 OZ TU
3040-01-234-7057INTERCHANGEABLE
RECEIVER-TRANSMITTER,HYDRAULIC C
4440-01-572-4188INTERCHANGEABLE
DRIER,AIR-GAS,DESICCANT
DC-4

Frequently Asked Questions

What is NSN 5340-00-435-9188?

NSN 5340-00-435-9188 is a Cap,protective,dust and Moisture, manufactured by Triumph Thermal Systems, Llc, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-435-9188?

NSN 5340-00-435-9188 has 8 cross-referenced part numbers: U536975-4 (Triumph Thermal Systems, Llc), DC-4-1KE1 (Niagara Plastics L.l.c.), 10117361 (Nimikkeistokeskus Ncb Finland), ST7M293-4 (The Boeing Company Div Defense), S54-4 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson) and 3 more.

What NSN replaces 5340-00-435-9188?

There are 7 known substitutes for 5340-00-435-9188: 5340-00-364-9559, 6850-00-177-5094, 4210-00-204-0992 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of U536975-4?

Key specifications for U536975-4: Design Type: THREADED; Thread Class: 2B; Inside Diameter Length: 0.240 INCHES NOMINAL IN; Thread Size and Series/type Designator: 0.438-24 UNS. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-435-9188 still in active supply?

NSN 5340-00-435-9188 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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