PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-427Ring,retaining

Dresser Industries Inc Leroi Div · NSN 5325-00-430-0526 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-430-0526 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-430-0526. Primary manufacturer part number: 31-427.
Features
  • Ring,retaining — FSC 5325
  • Ring Style: ANGULAR CAP
  • Material Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
  • Material: STEEL
  • Cross-Sectional Shape Style: ROUNDED CORNERS
  • Major Thickness: 0.063 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
  • Inside Diameter: 2.979 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
  • Usage Design: EXTERNAL
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-430-0526, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-430-0526
Primary Part Number31-427
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
Ring StyleANGULAR CAP
Material Hardness Rating43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
MaterialSTEEL
Cross-Sectional Shape StyleROUNDED CORNERS
Major Thickness0.063 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Inside Diameter2.979 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
Usage DesignEXTERNAL
Casehardening IndicatorNOT CASEHARDENED
Outside Diameter3.351 INCHES MINIMUM AND 3.379 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4130-00-542-2049 INTERCHANGEABLE
Filter Element,air Conditioning
4720-01-038-742950745 INTERCHANGEABLE
Hose Assembly,nonmetallic
Jetstream of Houston, Llp Dba Jetstream of Houston Llp
6515-01-140-5198314.27 INTERCHANGEABLE
Screwdriver Hexagon
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
3920-01-272-4764314-27 INTERCHANGEABLE
Truck,hand
Harper Trucks, Inc. Dba Harper
5345-01-296-898931-427 INTERCHANGEABLE
Disk,abrasive
Delta Intl Machinery Corp
Cross-Reference Index
Part NumberManufacturer
31-427 PRIMARY Dresser Industries Inc Leroi Div (USA)
Related Parts
4130-00-542-2049INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
4720-01-038-7429INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
50745
6515-01-140-5198INTERCHANGEABLE
SCREWDRIVER HEXAGON
314.27
3920-01-272-4764INTERCHANGEABLE
TRUCK,HAND
314-27
5345-01-296-8989INTERCHANGEABLE
DISK,ABRASIVE
31-427

Frequently Asked Questions

What is NSN 5325-00-430-0526?

NSN 5325-00-430-0526 is a Ring,retaining, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-430-0526?

NSN 5325-00-430-0526 has 1 cross-referenced part number: 31-427 (Dresser Industries Inc Leroi Div).

What NSN replaces 5325-00-430-0526?

There are 5 known substitutes for 5325-00-430-0526: 4130-00-542-2049, 4720-01-038-7429, 6515-01-140-5198 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-427?

Key specifications for 31-427: Ring Style: ANGULAR CAP; Material Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM; Material: STEEL; Cross-Sectional Shape Style: ROUNDED CORNERS. 9 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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