PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RR250CRing,retaining

Spirolox Inc · NSN 5325-00-285-6693 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-285-6693 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-285-6693. Primary manufacturer part number: RR250C.
Features
  • Ring,retaining — FSC 5325
  • Cross-Sectional Shape Style: DOUBLE OVAL
  • Material Document and Classification: SAE 1080-1090 ASSN STD SINGLE MATERIAL RESPONSE
  • Surface Treatment: CADMIUM
  • Material: STEEL
  • Usage Design: INTERNAL
  • Major Thickness: 0.048 INCHES NOMINAL IN
  • Material Hardness Rating: 65.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 68.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-285-6693, 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. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-285-6693
Primary Part NumberRR250C
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSpirolox Inc
StatusCANCELLED
Cross-Sectional Shape StyleDOUBLE OVAL
Material Document and ClassificationSAE 1080-1090 ASSN STD SINGLE MATERIAL RESPONSE
Surface TreatmentCADMIUM
MaterialSTEEL
Usage DesignINTERNAL
Major Thickness0.048 INCHES NOMINAL IN
Material Hardness Rating65.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 68.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
Strength RatingERR-060
Inside Diameter2.310 INCHES NOMINAL IN
Outside Diameter2.606 INCHES NOMINAL IN
Ring StyleSPECIAL FLAT
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4730-00-720-50025228623-1 INTERCHANGEABLE
Reducer,pipe
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
205730 Ratchford Corp (USA)
626-001-9182 Honeywell International Inc. Div Aerospace - Torrance (USA)
RR250C PRIMARY Spirolox Inc (USA)
3X148528 Eaton Aerospace, Llc Dba Jackson South (USA)
205730 Adams Industries Inc a Sub of Banner Industries Inc (USA)
Related Parts
4730-00-720-5002INTERCHANGEABLE
REDUCER,PIPE
5228623-1

Frequently Asked Questions

What is NSN 5325-00-285-6693?

NSN 5325-00-285-6693 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 5325-00-285-6693?

NSN 5325-00-285-6693 has 5 cross-referenced part numbers: 205730 (Ratchford Corp), 626-001-9182 (Honeywell International Inc. Div Aerospace - Torrance), RR250C (Spirolox Inc), 3X148528 (Eaton Aerospace, Llc Dba Jackson South), 205730 (Adams Industries Inc a Sub of Banner Industries Inc).

What NSN replaces 5325-00-285-6693?

There is 1 known substitute for 5325-00-285-6693: 4730-00-720-5002. Verify interchangeability with system specifications before substitution.

What are the specifications of RR250C?

Key specifications for RR250C: Cross-Sectional Shape Style: DOUBLE OVAL; Material Document and Classification: SAE 1080-1090 ASSN STD SINGLE MATERIAL RESPONSE; Surface Treatment: CADMIUM; Material: STEEL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-285-6693 still in active supply?

NSN 5325-00-285-6693 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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