PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

163B5559Ring,retaining

General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems · NSN 5325-00-269-0764 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-269-0764 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-269-0764. Primary manufacturer part number: 163B5559.
Features
  • Ring,retaining — FSC 5325
  • Inside Diameter: 0.927 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
  • Ring Style: SPECIAL FLAT
  • Usage Design: INTERNAL
  • Surface Treatment: NICKEL
  • Material: STEEL
  • Casehardening Indicator: NOT CASEHARDENED
  • Major Thickness: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-269-0764, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-269-0764
Primary Part Number163B5559
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerGeneral Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
StatusACTIVE
Inside Diameter0.927 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
Ring StyleSPECIAL FLAT
Usage DesignINTERNAL
Surface TreatmentNICKEL
MaterialSTEEL
Casehardening IndicatorNOT CASEHARDENED
Major Thickness0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
Cross-Sectional Shape StyleDOUBLE OVAL
Outside Diameter1.095 INCHES MINIMUM AND 1.105 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-156-1879 INTERCHANGEABLE
Bearing,ball,thrust
3110-00-227-2825 INTERCHANGEABLE
Bearing,roller,needle
6645-00-333-3333 INTERCHANGEABLE
Staff,balance
5962-00-488-4270 INTERCHANGEABLE
Microcircuit,linear
3120-00-516-759158042B INTERCHANGEABLE
Bearing,sleeve
Brinkley Technology Group Llc Dba Hercules Manufacturing
4820-00-980-491047600-3110 INTERCHANGEABLE
Valve,safety Relief
Fluid Mechanics Valve Company
7510-01-126-37831352909 INTERCHANGEABLE
Typing Element
International Business Machines Corp Parts Order Center Dept E - 54
6110-01-210-3145290-9 INTERCHANGEABLE
Starter,motor
Insinger Machine Co
2590-01-295-7074 INTERCHANGEABLE
Cap,filler Opening
8465-01-410-83402909 INTERCHANGEABLE
Bag,laundry
Sewing Source, Inc., the
Cross-Reference Index
Part NumberManufacturer
163B5559 General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA)
29-09 Medalist Industries Inc Leitzke Div (USA)
LSR932 Medalist Industries Inc Leitzke Div (USA)
Related Parts
3110-00-156-1879INTERCHANGEABLE
BEARING,BALL,THRUST
3110-00-227-2825INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
6645-00-333-3333INTERCHANGEABLE
STAFF,BALANCE
5962-00-488-4270INTERCHANGEABLE
MICROCIRCUIT,LINEAR
3120-00-516-7591INTERCHANGEABLE
BEARING,SLEEVE
58042B
4820-00-980-4910INTERCHANGEABLE
VALVE,SAFETY RELIEF
47600-3110
7510-01-126-3783INTERCHANGEABLE
TYPING ELEMENT
1352909
6110-01-210-3145INTERCHANGEABLE
STARTER,MOTOR
290-9
2590-01-295-7074INTERCHANGEABLE
CAP,FILLER OPENING
8465-01-410-8340INTERCHANGEABLE
BAG,LAUNDRY
2909
3110-01-524-8772INTERCHANGEABLE
BEARING,BALL,THRUST
2909

Frequently Asked Questions

What is NSN 5325-00-269-0764?

NSN 5325-00-269-0764 is a Ring,retaining, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-269-0764?

NSN 5325-00-269-0764 has 3 cross-referenced part numbers: 163B5559 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems), 29-09 (Medalist Industries Inc Leitzke Div), LSR932 (Medalist Industries Inc Leitzke Div).

What NSN replaces 5325-00-269-0764?

There are 11 known substitutes for 5325-00-269-0764: 3110-00-156-1879, 3110-00-227-2825, 6645-00-333-3333 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 163B5559?

Key specifications for 163B5559: Inside Diameter: 0.927 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN; Ring Style: SPECIAL FLAT; Usage Design: INTERNAL; Surface Treatment: NICKEL. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com