PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M1673Ring,retaining

Aerosonic Llc · NSN 5325-00-979-6886 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-979-6886 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-979-6886. Primary manufacturer part number: M1673.
Features
  • Ring,retaining — FSC 5325
  • Outside Diameter: 2.960 INCHES NOMINAL IN
  • Major Thickness: 0.051 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Ring Style: STRAIGHT GAP
  • Casehardening Indicator: NOT CASEHARDENED
  • Inside Diameter: 2.880 INCHES NOMINAL IN
  • Usage Design: EXTERNAL
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-979-6886, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerosonic Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-979-6886
Primary Part NumberM1673
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
Outside Diameter2.960 INCHES NOMINAL IN
Major Thickness0.051 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Ring StyleSTRAIGHT GAP
Casehardening IndicatorNOT CASEHARDENED
Inside Diameter2.880 INCHES NOMINAL IN
Usage DesignEXTERNAL
End StyleDIAGONAL PARALLEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-128-77451673 INTERCHANGEABLE
Circuit Card Assembly
Susquehanna Precision Inc Div N/a
4320-00-142-27971673-1001 INTERCHANGEABLE
Pump,rotary
Itt Jabsco Products
5330-00-383-8725855480 INTERCHANGEABLE
Gasket
Dana Off Highway Products, Llc
7640-00-629-8365 INTERCHANGEABLE
Globe,terrestrial
5945-00-636-88371227-24 INTERCHANGEABLE
Relay,electromagnetic
Stewart & Stevenson Power Products Llc
5930-00-647-0529 INTERCHANGEABLE
Switch,pressure
5815-00-732-0076 INTERCHANGEABLE
Clamp,lever
5340-00-741-856911077724-2 INTERCHANGEABLE
Ferrule,grooved Clamp Coupling
Us Army Aviation and Missile Command
5910-00-908-5498167-0003-001 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Viking Technologies, Ltd.
6130-01-069-81315C4034-1 INTERCHANGEABLE
Power Supply
Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
Cross-Reference Index
Part NumberManufacturer
1673 Aerosonic Llc (USA)
M1673 PRIMARY Aerosonic Llc (USA)
Related Parts
5998-00-128-7745INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
1673
4320-00-142-2797INTERCHANGEABLE
PUMP,ROTARY
1673-1001
5330-00-383-8725INTERCHANGEABLE
GASKET
855480
7640-00-629-8365INTERCHANGEABLE
GLOBE,TERRESTRIAL
5945-00-636-8837INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1227-24
5930-00-647-0529INTERCHANGEABLE
SWITCH,PRESSURE
5815-00-732-0076INTERCHANGEABLE
CLAMP,LEVER
5340-00-741-8569INTERCHANGEABLE
FERRULE,GROOVED CLAMP COUPLING
11077724-2
5910-00-908-5498INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
167-0003-001
6130-01-069-8131INTERCHANGEABLE
POWER SUPPLY
5C4034-1
5930-01-105-4540INTERCHANGEABLE
SWITCH,ROTARY
1673
5962-01-113-2787INTERCHANGEABLE
MICROCIRCUIT,LINEAR
349-334-041

Frequently Asked Questions

What is NSN 5325-00-979-6886?

NSN 5325-00-979-6886 is a Ring,retaining, manufactured by Aerosonic Llc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-979-6886?

NSN 5325-00-979-6886 has 2 cross-referenced part numbers: 1673 (Aerosonic Llc), M1673 (Aerosonic Llc).

What NSN replaces 5325-00-979-6886?

There are 12 known substitutes for 5325-00-979-6886: 5998-00-128-7745, 4320-00-142-2797, 5330-00-383-8725 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M1673?

Key specifications for M1673: Outside Diameter: 2.960 INCHES NOMINAL IN; Major Thickness: 0.051 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Ring Style: STRAIGHT GAP. 8 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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