PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9558Ring,retaining

Gst Industries Inc. · NSN 5325-00-878-5967 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-878-5967 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-878-5967. Primary manufacturer part number: 9558.
Features
  • Ring,retaining — FSC 5325
  • Material: STEEL COMP 631
  • Material Document and Classification: AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE
  • Surface Treatment: PASSIVATE
  • Inside Diameter: 0.826 INCHES MINIMUM AND 0.846 INCHES MAXIMUM IN
  • Outside Diameter: 0.970 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
  • Casehardening Indicator: NOT CASEHARDENED
  • Cross-Sectional Shape Style: ROUNDED CORNERS
Applications
  • Applications requiring Steel Comp 631 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-878-5967, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Gst Industries Inc.. Government technical data includes 11 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-878-5967
Primary Part Number9558
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerGst Industries Inc.
StatusACTIVE
MaterialSTEEL COMP 631
Material Document and ClassificationAMS 5673 ASSN STD SINGLE MATERIAL RESPONSE
Surface TreatmentPASSIVATE
Inside Diameter0.826 INCHES MINIMUM AND 0.846 INCHES MAXIMUM IN
Outside Diameter0.970 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
Casehardening IndicatorNOT CASEHARDENED
Cross-Sectional Shape StyleROUNDED CORNERS
Ring StyleSTRAIGHT GAP
End Style90 DEGREE PARALLEL
Usage DesignEXTERNAL
Major Thickness0.330 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-167-0729 INTERCHANGEABLE
Washer,convex
5210-00-189-9558 INTERCHANGEABLE
Blade,thickness Gage
5340-00-408-6195 INTERCHANGEABLE
Deflector,dirt and Liquid
5999-00-412-56679558 INTERCHANGEABLE
Contact,electrical
Telemechanics Inc
4730-00-413-552625236-8-8S INTERCHANGEABLE
Elbow,tube to Hose
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
5950-01-200-78932778239 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
5940-01-218-59909558 INTERCHANGEABLE
Terminal Board
Aerocontrolex Group, Inc. Div Talley Actuators
4320-01-476-5038B-9837 ITEM 2 INTERCHANGEABLE
Sleeve,shaft,pump
R.s. Corcoran Co.
5330-01-658-69119558 INTERCHANGEABLE
Gasket
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
9558 PRIMARY Gst Industries Inc. (USA)
Related Parts
5310-00-167-0729INTERCHANGEABLE
WASHER,CONVEX
5210-00-189-9558INTERCHANGEABLE
BLADE,THICKNESS GAGE
5340-00-408-6195INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
5999-00-412-5667INTERCHANGEABLE
CONTACT,ELECTRICAL
9558
4730-00-413-5526INTERCHANGEABLE
ELBOW,TUBE TO HOSE
25236-8-8S
5950-01-200-7893INTERCHANGEABLE
TRANSFORMER,POWER
2778239
5940-01-218-5990INTERCHANGEABLE
TERMINAL BOARD
9558
4320-01-476-5038INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
B-9837 ITEM 2
5330-01-658-6911INTERCHANGEABLE
GASKET
9558

Frequently Asked Questions

What is NSN 5325-00-878-5967?

NSN 5325-00-878-5967 is a Ring,retaining, manufactured by Gst Industries Inc., classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-878-5967?

NSN 5325-00-878-5967 has 1 cross-referenced part number: 9558 (Gst Industries Inc.).

What NSN replaces 5325-00-878-5967?

There are 9 known substitutes for 5325-00-878-5967: 5310-00-167-0729, 5210-00-189-9558, 5340-00-408-6195 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9558?

Key specifications for 9558: Material: STEEL COMP 631; Material Document and Classification: AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE; Surface Treatment: PASSIVATE; Inside Diameter: 0.826 INCHES MINIMUM AND 0.846 INCHES MAXIMUM 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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