PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UR-150Ring,retaining

Spirolox Inc · NSN 5325-01-031-8344 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-031-8344 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-031-8344. Primary manufacturer part number: UR-150.
Features
  • Ring,retaining — FSC 5325
  • 3 verified cross-references
  • Primary manufacturer: Spirolox Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-031-8344, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Spirolox Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,retaining
FSC / FSG5325 — No Item Name Available (FSG 53)
ManufacturersSpirolox Inc (CAGE 80756); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Smalley Steel Ring Co. (CAGE 51814)
Technical Specifications
ParameterValue
NSN5325-01-031-8344
Primary Part NumberUR-150
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSpirolox Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5960-01-033-8015 INTERCHANGEABLE
Electron Tube
Cross-Reference Index
Part NumberManufacturer
UR-150 PRIMARY Spirolox Inc (USA)
2509189 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
VH-150 PRIMARY Smalley Steel Ring Co. (USA)
Related Parts
5960-01-033-8015INTERCHANGEABLE
ELECTRON TUBE

Frequently Asked Questions

What is NSN 5325-01-031-8344?

NSN 5325-01-031-8344 is a Ring,retaining, manufactured by Spirolox Inc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-031-8344?

NSN 5325-01-031-8344 has 3 cross-referenced part numbers: UR-150 (Spirolox Inc), 2509189 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), VH-150 (Smalley Steel Ring Co.).

What NSN replaces 5325-01-031-8344?

There is 1 known substitute for 5325-01-031-8344: 5960-01-033-8015. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com