PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RRT-231CDM9Ring,retaining

Spirolox Inc · NSN 5325-01-047-8280 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-047-8280 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-047-8280. Primary manufacturer part number: RRT-231CDM9.
Features
  • Ring,retaining — FSC 5325
  • 4 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 5325-01-047-8280, 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 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameRing,retaining
FSC / FSG5325 — No Item Name Available (FSG 53)
ManufacturersKaydon Ring & Seal Inc Dba Skf Precision Technologies (CAGE 75370); Winsmith Div Umc Industries Inc (CAGE 55700); The Boeing Company Div Defense (CAGE 76301); Spirolox Inc (CAGE 80756)
Technical Specifications
ParameterValue
NSN5325-01-047-8280
Primary Part NumberRRT-231CDM9
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSpirolox Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2520-00-018-2638937340 INTERCHANGEABLE
Spider,universal Joint,vehicular
Am General Llc
2990-00-044-1286T-10248 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
3110-00-100-61861-2BALLGRADE2 INTERCHANGEABLE
Ball,bearing
Skf Usa Inc.
5306-00-119-199411468-01 INTERCHANGEABLE
Bolt,shoulder
Upright Inc
5905-00-202-019910248 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Eaton Aerospace, Llc Dba Jackson South
5306-00-202-033810248 INTERCHANGEABLE
Bolt,eye
Saginaw Products Corporation Dba Cignys
4320-00-218-3476172087S INTERCHANGEABLE
Ring,wearing
Curtiss-Wright Electro-Mechanical Corporation Div Epd
9390-00-488-2106 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
3110-00-554-6030 INTERCHANGEABLE
Bearing,ball,annular
6105-00-589-7634 INTERCHANGEABLE
Motor,alternating Current
Cross-Reference Index
Part NumberManufacturer
RRT-231 Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
10248 Winsmith Div Umc Industries Inc (USA)
9M188-231 The Boeing Company Div Defense (USA)
RRT-231CDM9 PRIMARY Spirolox Inc (USA)
Related Parts
2520-00-018-2638INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
937340
2990-00-044-1286INTERCHANGEABLE
MUFFLER,EXHAUST
T-10248
3110-00-100-6186INTERCHANGEABLE
BALL,BEARING
1-2BALLGRADE2
5306-00-119-1994INTERCHANGEABLE
BOLT,SHOULDER
11468-01
5905-00-202-0199INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
10248
5306-00-202-0338INTERCHANGEABLE
BOLT,EYE
10248
4320-00-218-3476INTERCHANGEABLE
RING,WEARING
172087S
9390-00-488-2106INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
3110-00-554-6030INTERCHANGEABLE
BEARING,BALL,ANNULAR
6105-00-589-7634INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5950-00-758-0863INTERCHANGEABLE
TRANSFORMER,POWER
10248
5330-00-933-1550INTERCHANGEABLE
SEAL,NONMETALLIC CHANNEL
102-48-50FT

Frequently Asked Questions

What is NSN 5325-01-047-8280?

NSN 5325-01-047-8280 is a Ring,retaining, manufactured by Spirolox Inc, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-01-047-8280?

NSN 5325-01-047-8280 has 4 cross-referenced part numbers: RRT-231 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 10248 (Winsmith Div Umc Industries Inc), 9M188-231 (The Boeing Company Div Defense), RRT-231CDM9 (Spirolox Inc).

What NSN replaces 5325-01-047-8280?

There are 12 known substitutes for 5325-01-047-8280: 2520-00-018-2638, 2990-00-044-1286, 3110-00-100-6186 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5325-01-047-8280 still in active supply?

NSN 5325-01-047-8280 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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