PartsTable TECHNICAL DATA SHEET
NSN 1280-00-560-9917Government record, cited

Relief Valve Assy1280-00-560-9917

NSN 1280-00-560-9917 · NIIN 005609917 · Part number U516825-1
Triumph Thermal Systems, Llc · FSC 1280 — Aircraft Bombing Fire Control Components · FSG 12 — Fire Control Equipment · CAGE 78943
Government record, cited
NSN 1280-00-560-9917 — this item is cataloged by the U.S. Government under National Stock Number 1280-00-560-9917. Manufacturer of record part number: U516825-1.
Also searched as  1280-00-560-9917 · 1280005609917 · NIIN 005609917 · 00-560-9917 · FSC 1280 Aircraft Bombing Fire Control Components · CAGE 78943 · U516825-1
Nearby stock numbers  ·
Features
  • Relief Valve Assy — FSC 1280
  • 1 manufacturer part number on file
  • Manufacturer of record: Triumph Thermal Systems, Llc
Identification
  • NSN: 1280-00-560-9917
  • NIIN: 005609917
  • FSC: 1280 — Aircraft Bombing Fire Control Components
  • FSG: 12 — Fire Control Equipment
  • Primary part number: U516825-1
  • Manufacturer: Triumph Thermal Systems, Llc
General Description

The Relief Valve Assy, cataloged under National Stock Number 1280-00-560-9917, is classified within Federal Supply Class 1280 (Aircraft Bombing Fire Control Components) of the Fire Control Equipment group. The manufacturer of record is Triumph Thermal Systems, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameRelief Valve Assy
FSC / FSG1280 — Aircraft Bombing Fire Control Components (FSG 12)
ManufacturersTriumph Thermal Systems, Llc (CAGE 78943)
Technical Specifications
ParameterValue
NSN1280-00-560-9917
Primary Part NumberU516825-1
Item NameRelief Valve Assy
FSC / FSG1280 / 12 — Aircraft Bombing Fire Control Components
ManufacturerTriumph Thermal Systems, Llc
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
U516825-1 PRIMARY Triumph Thermal Systems, Llc (USA)
No interchangeability data on file.
Other items in FSC 1280 — Aircraft Bombing Fire Control Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1280-00-004-2913
COMPUTER SUBASSEMBLY
1280-00-009-6226
1280-00-009-6226 · Item name not on file
1280-00-030-7799
1280-00-030-7799 · Item name not on file
1280-00-073-2407
1280-00-073-2407 · Item name not on file
1280-00-099-6140
1280-00-099-6140 · Item name not on file
1280-00-193-0091
1280-00-193-0091 · Item name not on file
1280-00-341-9802
1280-00-341-9802 · Item name not on file
1280-00-342-2442
1280-00-342-2442 · Item name not on file

Frequently Asked Questions

What is NSN 1280-00-560-9917?

NSN 1280-00-560-9917 is a Relief Valve Assy, manufactured by Triumph Thermal Systems, Llc, classified under FSC 1280, Aircraft Bombing Fire Control Components. Status: active.

What part numbers are listed for NSN 1280-00-560-9917?

NSN 1280-00-560-9917 has 1 manufacturer part number on file: U516825-1 (Triumph Thermal Systems, Llc).

Is NSN 1280-00-560-9917 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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