PartsTable TECHNICAL DATA SHEET
NSN 5365-01-374-9685Government record, cited

Ring, Lock, Serrated5365-01-374-9685

NSN 5365-01-374-9685 · NIIN 013749685 · Part number U522051
Triumph Thermal Systems, Llc · FSC 5365 — Bushings, Rings, Shims, and Spacers · FSG 53 — Hardware and Abrasives · CAGE 78943
Government record, cited
NSN 5365-01-374-9685 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-374-9685. Manufacturer of record part number: U522051.
Also searched as  5365-01-374-9685 · 5365013749685 · NIIN 013749685 · 01-374-9685 · FSC 5365 Bushings, Rings, Shims, and Spacers · CAGE 78943 · U522051
Nearby stock numbers  ·
Features
  • Ring,lock,serrated — FSC 5365
  • 1 manufacturer part number on file
  • Manufacturer of record: Triumph Thermal Systems, Llc
Identification
  • NSN: 5365-01-374-9685
  • NIIN: 013749685
  • FSC: 5365 — Bushings, Rings, Shims, and Spacers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: U522051
  • Manufacturer: Triumph Thermal Systems, Llc
General Description

The Ring,lock,serrated, cataloged under National Stock Number 5365-01-374-9685, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives 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.

Technical Specifications
ParameterValue
NSN5365-01-374-9685
Primary Part NumberU522051
Item NameRing,lock,serrated
FSC / FSG5365 / 53 — Bushings, Rings, Shims, and Spacers
ManufacturerTriumph Thermal Systems, Llc
StatusACTIVE
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
U522051 PRIMARY Triumph Thermal Systems, Llc (USA)
No interchangeability data on file.
Other items in FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078
5365-00-000-6078 · Item name not on file
5365-00-000-7436
5365-00-000-7436 · Item name not on file
5365-00-001-1292
PLUG,MACHINE THREAD
5365-00-001-1365
5365-00-001-1365 · Item name not on file
5365-00-001-1841
RING,TORQUE,TUBE,INBOARD,RUDDER
5365-00-001-1915
5365-00-001-1915 · Item name not on file
5365-00-001-1916
5365-00-001-1916 · Item name not on file
5365-00-001-1940
5365-00-001-1940 · Item name not on file

Frequently Asked Questions

What is NSN 5365-01-374-9685?

NSN 5365-01-374-9685 is a Ring,lock,serrated, manufactured by Triumph Thermal Systems, Llc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.

What part numbers are listed for NSN 5365-01-374-9685?

NSN 5365-01-374-9685 has 1 manufacturer part number on file: U522051 (Triumph Thermal Systems, Llc).

What are the specifications of U522051?

Key specifications for U522051: End Item Identification: C130H FUEL SYSTEM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5365-01-374-9685 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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