PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RR750Ring,retaining

Spirolox Inc · NSN 5325-00-205-6724 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-205-6724 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-205-6724. Primary manufacturer part number: RR750.
Features
  • Ring,retaining — FSC 5325
  • Strength Rating: ERR-060
  • Material: STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1090
  • Material Document and Classification: QQ-S-633 COMPOSITION FS1070,FS1074,FS1080,FS1085 OR FS1090 FED SPEC SINGLE MATERIAL RESPONSE
  • Inside Diameter: 7.130 INCHES NOMINAL IN
  • Major Thickness: 0.084 INCHES NOMINAL IN
  • Outside Diameter: 7.754 INCHES NOMINAL IN
  • Casehardening Indicator: NOT CASEHARDENED
Applications
  • Applications requiring Steel Comp 1070 or Steel Comp 1074 or Steel Comp 1080 or Steel Comp 1085 or Steel Comp 1090 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-205-6724, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN5325-00-205-6724
Primary Part NumberRR750
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSpirolox Inc
StatusACTIVE
Strength RatingERR-060
MaterialSTEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1090
Material Document and ClassificationQQ-S-633 COMPOSITION FS1070,FS1074,FS1080,FS1085 OR FS1090 FED SPEC SINGLE MATERIAL RESPONSE
Inside Diameter7.130 INCHES NOMINAL IN
Major Thickness0.084 INCHES NOMINAL IN
Outside Diameter7.754 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Ring StyleSPIRAL
Usage DesignINTERNAL
Material Hardness Rating64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
Cross-Sectional Shape StyleDOUBLE OVAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6510-01-552-0748RR750 INTERCHANGEABLE
Cuff,epistaxis
Smith & Nephew Inc Div Sports Medicine/endoscopy/ent
Cross-Reference Index
Part NumberManufacturer
RR750 Ajl Manufacturing, Inc. (USA)
RR750 PRIMARY Spirolox Inc (USA)
WH-750 PRIMARY Smalley Steel Ring Co. (USA)
Related Parts
6510-01-552-0748INTERCHANGEABLE
CUFF,EPISTAXIS
RR750

Frequently Asked Questions

What is NSN 5325-00-205-6724?

NSN 5325-00-205-6724 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 5325-00-205-6724?

NSN 5325-00-205-6724 has 3 cross-referenced part numbers: RR750 (Ajl Manufacturing, Inc.), RR750 (Spirolox Inc), WH-750 (Smalley Steel Ring Co.).

What NSN replaces 5325-00-205-6724?

There is 1 known substitute for 5325-00-205-6724: 6510-01-552-0748. Verify interchangeability with system specifications before substitution.

What are the specifications of RR750?

Key specifications for RR750: Strength Rating: ERR-060; Material: STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1090; Material Document and Classification: QQ-S-633 COMPOSITION FS1070,FS1074,FS1080,FS1085 OR FS1090 FED SPEC SINGLE MATERIAL RESPONSE; Inside Diameter: 7.130 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

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