PartsTable TECHNICAL DATA SHEET
NSN 4520-01-144-0339Government record, cited

Connector4520-01-144-0339

NSN 4520-01-144-0339 · NIIN 011440339 · Part number 100864-5
American Turbo Systems Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 0WE82
Government record, cited
NSN 4520-01-144-0339 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-144-0339. Manufacturer of record part number: 100864-5.
Also searched as  4520-01-144-0339 · 4520011440339 · NIIN 011440339 · 01-144-0339 · FSC 4520 Space and Water Heating Equipment · CAGE 0WE82 · 100864-5 · FLX770136003000
Nearby stock numbers  ·
Features
  • Connector — FSC 4520
  • 2 manufacturer part numbers on file
  • Manufacturer of record: American Turbo Systems Inc
Identification
  • NSN: 4520-01-144-0339
  • NIIN: 011440339
  • FSC: 4520 — Space and Water Heating Equipment
  • FSG: 45 — Plumbing, Heating, and Waste Disposal
  • Primary part number: 100864-5
  • Manufacturer: American Turbo Systems Inc
General Description

The Connector, cataloged under National Stock Number 4520-01-144-0339, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is American Turbo Systems Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts
Item NameConnector
FSC / FSG4520 — Space and Water Heating Equipment (FSG 45)
ManufacturersAmerican Turbo Systems Inc (CAGE 0WE82); Flexfab Llc (CAGE 16632)
Technical Specifications
ParameterValue
NSN4520-01-144-0339
Primary Part Number100864-5
Item NameConnector
FSC / FSG4520 / 45 — Space and Water Heating Equipment
ManufacturerAmerican Turbo Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part NumberManufacturer
100864-5 PRIMARY American Turbo Systems Inc (USA)
FLX770136003000 Flexfab Llc (USA)
Reference documents
ReferenceMeaning
100864-5 5/9 Secondary reference
Walker Power Systems, Inc. Dba Tiernay Turbines
No interchangeability data on file.
Other items in FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-000-0099
4520-00-000-0099 · Item name not on file
4520-00-001-1240
4520-00-001-1240 · Item name not on file
4520-00-001-3518
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-3519
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-001-6052
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-6298
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-7726
HEATER,DUCT TYPE,PORTABLE

Frequently Asked Questions

What is NSN 4520-01-144-0339?

NSN 4520-01-144-0339 is a Connector, manufactured by American Turbo Systems Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-144-0339?

NSN 4520-01-144-0339 has 2 manufacturer part numbers on file: 100864-5 (American Turbo Systems Inc), FLX770136003000 (Flexfab Llc).

Is NSN 4520-01-144-0339 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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