PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RRT-150Ring,retaining

Smalley Steel Ring Co. · NSN 5325-01-551-5183 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-551-5183 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-551-5183. Primary manufacturer part number: RRT-150.
Features
  • Ring,retaining — FSC 5325
  • Cross-Sectional Shape Style: RECTANGULAR
  • Outside Diameter: 44.0 MILLIMETERS NOMINAL MM
  • Supplementary Features: FOR USE ON A 1.562 INCH DIAMETER SHAFT IN
  • Major Thickness: 1.0 MILLIMETERS NOMINAL MM
  • 4 verified cross-references
  • Primary manufacturer: Smalley Steel Ring Co.
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-551-5183, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Smalley Steel Ring Co.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-01-551-5183
Primary Part NumberRRT-150
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSmalley Steel Ring Co.
StatusCANCELLED
Cross-Sectional Shape StyleRECTANGULAR
Outside Diameter44.0 MILLIMETERS NOMINAL MM
Supplementary FeaturesFOR USE ON A 1.562 INCH DIAMETER SHAFT IN
Major Thickness1.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3010-00-052-04172469809PC7 INTERCHANGEABLE
Coupling,shaft,flexible
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6105-00-111-839755-36 INTERCHANGEABLE
Motor-Tachometer Generator
Arc Systems Inc
6105-00-185-9478 INTERCHANGEABLE
Motor and Vane Assembly,surgical
5305-00-428-3826 INTERCHANGEABLE
Screw,tapping
6625-00-480-570155-36 INTERCHANGEABLE
Gauge Tube,thermco
Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments
5985-00-928-1557 INTERCHANGEABLE
Attenuator,fixed
4610-01-178-65315536 INTERCHANGEABLE
Outlet Assembly
Pentair Filtration Solutions, Llc
4935-01-267-4068 INTERCHANGEABLE
Filter Sleeve
5120-01-399-9683 INTERCHANGEABLE
Socket,socket Wrench
6515-01-559-4436DFH-0009 INTERCHANGEABLE
Grasper,microsurgical
Microsurgical Technology Inc
Cross-Reference Index
Part NumberManufacturer
RRT-150 PRIMARY Smalley Steel Ring Co. (USA)
10422040 Nimikkeistokeskus Ncb Finland (FIN)
5536 Teledyne Flir Unmanned Ground Systems, Inc (USA)
5536 Irobot Corporation (USA)
Related Parts
3010-00-052-0417INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
2469809PC7
6105-00-111-8397INTERCHANGEABLE
MOTOR-TACHOMETER GENERATOR
55-36
6105-00-185-9478INTERCHANGEABLE
MOTOR AND VANE ASSEMBLY,SURGICAL
5305-00-428-3826INTERCHANGEABLE
SCREW,TAPPING
6625-00-480-5701INTERCHANGEABLE
GAUGE TUBE,THERMCO
55-36
5985-00-928-1557INTERCHANGEABLE
ATTENUATOR,FIXED
4610-01-178-6531INTERCHANGEABLE
OUTLET ASSEMBLY
5536
4935-01-267-4068INTERCHANGEABLE
FILTER SLEEVE
5120-01-399-9683INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6515-01-559-4436INTERCHANGEABLE
GRASPER,MICROSURGICAL
DFH-0009

Frequently Asked Questions

What is NSN 5325-01-551-5183?

NSN 5325-01-551-5183 is a Ring,retaining, manufactured by Smalley Steel Ring Co., classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-01-551-5183?

NSN 5325-01-551-5183 has 4 cross-referenced part numbers: RRT-150 (Smalley Steel Ring Co.), 10422040 (Nimikkeistokeskus Ncb Finland), 5536 (Teledyne Flir Unmanned Ground Systems, Inc), 5536 (Irobot Corporation).

What NSN replaces 5325-01-551-5183?

There are 10 known substitutes for 5325-01-551-5183: 3010-00-052-0417, 6105-00-111-8397, 6105-00-185-9478 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RRT-150?

Key specifications for RRT-150: Cross-Sectional Shape Style: RECTANGULAR; Special Features: STAINLESS STEEL; Outside Diameter: 44.0 MILLIMETERS NOMINAL MM; End Item Identification: PACKBOT ORDNANCE DISPOSAL SYSTEM. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-01-551-5183 still in active supply?

NSN 5325-01-551-5183 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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