NSN 4920-01-457-6537 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-457-6537. Manufacturer of record part number: 137375-F100.
Also searched as4920-01-457-6537 ·
4920014576537 ·
NIIN 014576537 ·
01-457-6537 ·
FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 59501 · 137375-F100
Nearby stock numbers← 4920-01-457-6284 Fixture, Fuel System Components, a
·
4920-01-457-6540 Test Set Subassembly, Aircraft Co →
Features
Test Set Subassembly,aircraft Co — FSC 4920
Component Quantity: 10
Major Components: 4)INPUT TEST ADAPTER, (1)CONNECTOR CLOSED CIRCUIT, (2)DISCHARGE LEAD, (2)IGNITER END CAP, (1)DISCHARGE SEDNSOR
Functional Description: USED ON F100 SERIES ENGINES
1 manufacturer part number on file
Manufacturer of record: Unison Industries Llc
Identification
NSN: 4920-01-457-6537
NIIN: 014576537
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: 137375-F100
Manufacturer: Unison Industries Llc
General Description
The Test Set Subassembly,aircraft Co, cataloged under National Stock Number 4920-01-457-6537, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Unison Industries Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Other items in FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4920-00-000-0190
TEST SET,FLIGHT CONTROL SYSTEM
4920-00-001-1405
4920-00-001-1405 · Item name not on file
4920-00-001-1716
4920-00-001-1716 · Item name not on file
4920-00-001-1744
4920-00-001-1744 · Item name not on file
4920-00-001-1745
4920-00-001-1745 · Item name not on file
4920-00-001-1746
4920-00-001-1746 · Item name not on file
4920-00-001-1747
4920-00-001-1747 · Item name not on file
4920-00-001-1748
4920-00-001-1748 · Item name not on file
Related Parts in Maintenance and Repair Shop Equipment
4920-00-000-0190
TEST SET,FLIGHT CONTROL SYSTEM
18910480100
4920-00-001-1405
4920-00-001-1405 · Item name not on file
4920-00-001-1716
4920-00-001-1716 · Item name not on file
4920-00-001-1744
4920-00-001-1744 · Item name not on file
4920-00-001-1745
4920-00-001-1745 · Item name not on file
4920-00-001-1746
4920-00-001-1746 · Item name not on file
4920-00-001-1747
4920-00-001-1747 · Item name not on file
4920-00-001-1748
4920-00-001-1748 · Item name not on file
Frequently Asked Questions
What is NSN 4920-01-457-6537?
NSN 4920-01-457-6537 is a Test Set Subassembly,aircraft Co, manufactured by Unison Industries Llc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
What part numbers are listed for NSN 4920-01-457-6537?
NSN 4920-01-457-6537 has 1 manufacturer part number on file: 137375-F100 (Unison Industries Llc).
What are the specifications of 137375-F100?
Key specifications for 137375-F100: Component Quantity: 10; Major Components: 4)INPUT TEST ADAPTER, (1)CONNECTOR CLOSED CIRCUIT, (2)DISCHARGE LEAD, (2)IGNITER END CAP, (1)DISCHARGE SEDNSOR; Functional Description: USED ON F100 SERIES ENGINES. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4920-01-457-6537 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.
What is the DEMIL code for NSN 4920-01-457-6537?
NSN 4920-01-457-6537 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.