PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1941-5Ring,retaining

Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana · NSN 5325-00-830-2139 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-830-2139 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-830-2139. Primary manufacturer part number: 1941-5.
Features
  • Ring,retaining — FSC 5325
  • Inside Diameter: 0.204 INCHES NOMINAL IN
  • Material: COBALT ALLOY
  • Material Document and Classification: ELGILOY FSCM 20209 MFR REF SINGLE MATERIAL RESPONSE
  • Casehardening Indicator: NOT CASEHARDENED
  • Usage Design: EXTERNAL
  • Cross-Sectional Shape Style: ROUND
  • Outside Diameter: 0.387 INCHES NOMINAL IN
Applications
  • Applications requiring Cobalt Alloy construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-830-2139, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana. Government technical data includes 8 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-830-2139
Primary Part Number1941-5
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana
StatusCANCELLED
Inside Diameter0.204 INCHES NOMINAL IN
MaterialCOBALT ALLOY
Material Document and ClassificationELGILOY FSCM 20209 MFR REF SINGLE MATERIAL RESPONSE
Casehardening IndicatorNOT CASEHARDENED
Usage DesignEXTERNAL
Cross-Sectional Shape StyleROUND
Outside Diameter0.387 INCHES NOMINAL IN
Material Diameter0.029 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
2510-01-088-7763MC289-20000 INTERCHANGEABLE
Spring Assembly,leaf
Am General Llc
5905-01-396-75870194150003 INTERCHANGEABLE
Resistor,fixed,film
Riimic, Llc Dba Sunair Electronics
5985-01-444-2111 INTERCHANGEABLE
Antenna
Cross-Reference Index
Part NumberManufacturer
BACF34D5R The Boeing Company Div Defense (USA)
1941-5 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
1941-5 PRIMARY Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
01042139 Szczypski, Michael (USA)
Related Parts
2510-01-088-7763INTERCHANGEABLE
SPRING ASSEMBLY,LEAF
MC289-20000
5905-01-396-7587INTERCHANGEABLE
RESISTOR,FIXED,FILM
0194150003
5985-01-444-2111INTERCHANGEABLE
ANTENNA

Frequently Asked Questions

What is NSN 5325-00-830-2139?

NSN 5325-00-830-2139 is a Ring,retaining, manufactured by Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-830-2139?

NSN 5325-00-830-2139 has 4 cross-referenced part numbers: BACF34D5R (The Boeing Company Div Defense), 1941-5 (Howmet Global Fastening Systems Inc Div Torrance Operations), 1941-5 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana), 01042139 (Szczypski, Michael).

What NSN replaces 5325-00-830-2139?

There are 3 known substitutes for 5325-00-830-2139: 2510-01-088-7763, 5905-01-396-7587, 5985-01-444-2111. Verify interchangeability with system specifications before substitution.

What are the specifications of 1941-5?

Key specifications for 1941-5: Inside Diameter: 0.204 INCHES NOMINAL IN; Material: COBALT ALLOY; Material Document and Classification: ELGILOY FSCM 20209 MFR REF SINGLE MATERIAL RESPONSE; Casehardening Indicator: NOT CASEHARDENED. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-830-2139 still in active supply?

NSN 5325-00-830-2139 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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