PartsTable TECHNICAL DATA SHEET
NSN 4920-00-923-4302Government record, cited

Fixture, Housing, Valve Bypass4920-00-923-4302

NSN 4920-00-923-4302 · NIIN 009234302 · Part number STD64501
Triumph Engine Control Systems Llc · FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 11599
Government record, cited
NSN 4920-00-923-4302 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-923-4302. Manufacturer of record part number: STD64501.
Also searched as  4920-00-923-4302 · 4920009234302 · NIIN 009234302 · 00-923-4302 · FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 11599 · STD64501
Nearby stock numbers  ·
Features
  • Fixture,housing,valve Bypass — FSC 4920
  • General Characteristics Item Description: C/O COMPONENT QTY,22;SURFACE FINISH 125 MICROIN O/A EXCEPT AS NOTED
  • 1 manufacturer part number on file
  • Manufacturer of record: Triumph Engine Control Systems Llc
Identification
  • NSN: 4920-00-923-4302
  • NIIN: 009234302
  • FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
  • FSG: 49 — Maintenance and Repair Shop Equipment
  • Primary part number: STD64501
  • Manufacturer: Triumph Engine Control Systems Llc
General Description

The Fixture,housing,valve Bypass, cataloged under National Stock Number 4920-00-923-4302, 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 Triumph Engine Control Systems Llc. Government technical data includes 1 specification, 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-00-923-4302
Primary Part NumberSTD64501
Item NameFixture,housing,valve Bypass
FSC / FSG4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
General Characteristics Item DescriptionC/O COMPONENT QTY,22;SURFACE FINISH 125 MICROIN O/A EXCEPT AS NOTED
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
STD64501 PRIMARY Triumph Engine Control Systems Llc (USA)
No interchangeability data on file.
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

Frequently Asked Questions

What is NSN 4920-00-923-4302?

NSN 4920-00-923-4302 is a Fixture,housing,valve Bypass, manufactured by Triumph Engine Control Systems Llc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.

What part numbers are listed for NSN 4920-00-923-4302?

NSN 4920-00-923-4302 has 1 manufacturer part number on file: STD64501 (Triumph Engine Control Systems Llc).

What are the specifications of STD64501?

Key specifications for STD64501: General Characteristics Item Description: C/O COMPONENT QTY,22;SURFACE FINISH 125 MICROIN O/A EXCEPT AS NOTED; End Item Identification: T-53 SERIES ENGINES. 1 specification is documented in the U.S. Government catalog.

Is NSN 4920-00-923-4302 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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