PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RS137SRing,retaining

Spirolox Inc · NSN 5325-00-205-6567 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-205-6567 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-205-6567. Primary manufacturer part number: RS137S.
Features
  • Ring,retaining — FSC 5325
  • Cross-Sectional Shape Style: DOUBLE OVAL
  • Strength Rating: ERR-060
  • Material: STEEL COMP 302
  • Material Document and Classification: AISI 302 ASSN STD SINGLE MATERIAL RESPONSE
  • Outside Diameter: 1.498 INCHES NOMINAL IN
  • Casehardening Indicator: NOT CASEHARDENED
  • Inside Diameter: 1.298 INCHES MINIMUM AND 1.308 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 302 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-205-6567, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-205-6567
Primary Part NumberRS137S
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSpirolox Inc
StatusCANCELLED
Cross-Sectional Shape StyleDOUBLE OVAL
Strength RatingERR-060
MaterialSTEEL COMP 302
Material Document and ClassificationAISI 302 ASSN STD SINGLE MATERIAL RESPONSE
Outside Diameter1.498 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Inside Diameter1.298 INCHES MINIMUM AND 1.308 INCHES MAXIMUM IN
Ring StyleSPIRAL
Usage DesignEXTERNAL
Major Thickness0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5977-00-033-4478TF304401 INTERCHANGEABLE
Brush,electrical Contact
Eaton Corp Dba Eaton Aerospace Jackson
5905-00-235-3534 INTERCHANGEABLE
Resistor,fixed,composition
6140-01-084-037628701 INTERCHANGEABLE
Battery Assembly
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
3432-01-167-2896 INTERCHANGEABLE
Welding Machine,band Saw Blade
Cross-Reference Index
Part NumberManufacturer
C6872 ITEM 12 Wills Ridley Ltd (GBR)
RS137S PRIMARY Spirolox Inc (USA)
A53641 PIECE 27 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
626-504-9001 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
C6872 ITEM 12 Tfc Limited (GBR)
626-504-9001 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
28701 Wills Ridley Ltd (GBR)
Related Parts
5977-00-033-4478INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
TF304401
5905-00-235-3534INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
6140-01-084-0376INTERCHANGEABLE
BATTERY ASSEMBLY
28701
3432-01-167-2896INTERCHANGEABLE
WELDING MACHINE,BAND SAW BLADE

Frequently Asked Questions

What is NSN 5325-00-205-6567?

NSN 5325-00-205-6567 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 5325-00-205-6567?

NSN 5325-00-205-6567 has 7 cross-referenced part numbers: C6872 ITEM 12 (Wills Ridley Ltd), RS137S (Spirolox Inc), A53641 PIECE 27 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 626-504-9001 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), C6872 ITEM 12 (Tfc Limited) and 2 more.

What NSN replaces 5325-00-205-6567?

There are 4 known substitutes for 5325-00-205-6567: 5977-00-033-4478, 5905-00-235-3534, 6140-01-084-0376 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RS137S?

Key specifications for RS137S: Cross-Sectional Shape Style: DOUBLE OVAL; Strength Rating: ERR-060; Material: STEEL COMP 302; Material Document and Classification: AISI 302 ASSN STD SINGLE MATERIAL RESPONSE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-205-6567 still in active supply?

NSN 5325-00-205-6567 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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