PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1862810Ring,retaining

Oshkosh Defense Llc · NSN 5325-00-804-2778 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-804-2778 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-804-2778. Primary manufacturer part number: 1862810.
Features
  • Ring,retaining — FSC 5325
  • Casehardening Indicator: NOT CASEHARDENED
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: STEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090
  • Usage Design: INTERNAL
  • Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
  • Surface Treatment: CADMIUM AND CHROMATE
  • Material Document and Classification: FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Steel Comp 1066 or Steel Comp 1069 or Steel Comp 1070 or Steel Comp 1072 or Steel Comp 1074 or Steel Comp 1075 or Steel Comp 1078 or Steel Comp 1080 or Steel Comp 1084 or Steel Comp 1086 or Steel Comp 1090 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-804-2778, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-804-2778
Primary Part Number1862810
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusCANCELLED
Casehardening IndicatorNOT CASEHARDENED
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090
Usage DesignINTERNAL
Material Hardness Rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
Surface TreatmentCADMIUM AND CHROMATE
Material Document and ClassificationFED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
Major Thickness0.090 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Ring StyleINTERNAL
Outside Diameter2.950 INCHES MINIMUM AND 3.020 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4310-00-102-5564 INTERCHANGEABLE
Valve Plate,compressor
5945-00-679-18999060234 INTERCHANGEABLE
Relay,electromagnetic
Us Army Aviation and Missile Command
5920-00-760-6345273-050 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
4920-00-947-224250210 INTERCHANGEABLE
Cable Assy,tester
Glenair, Inc. Dba Glenair Inc
3040-01-280-4121 INTERCHANGEABLE
Shaft,shouldered
3040-01-281-1445 INTERCHANGEABLE
Shaft,shouldered
Cross-Reference Index
Part NumberManufacturer
1862810 Oshkosh Defense Llc (USA)
2730-50 Triumph Thermal Systems - Maryland, Inc. (USA)
MIL-DTL-21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
22321R1 Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA)
N5000-268MF Rotor Clip Company, Inc. (USA)
3000-X268-ST-CD Truarc Co Llc (USA)
NAS50-268 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
X268 Truarc Company Llc Dba Waldes Truarc (USA)
N5000-268MF Truarc Company Llc Dba Waldes Truarc (USA)
N5000-268 Truarc Company Llc Dba Waldes Truarc (USA)
MS16625-268 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
1862810 Oshkosh Corp (USA)
MS16625-1268 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
N1300-268CD Seeger Inc Anderton-United Products Div (USA)
22321R1 Truarc Company Llc Dba Waldes Truarc (USA)
N5000-268 Zf Industrieantriebe Witten Gmbh (DEU)
XT35148ALTAPC12 Triumph Thermal Systems - Maryland, Inc. (USA)
MILP21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
22321R1 Rotor Clip Company, Inc. (USA)
X1-4103-1494456REVAPC12 Naval Ship Systems Command (USA)
Related Parts
4310-00-102-5564INTERCHANGEABLE
VALVE PLATE,COMPRESSOR
5945-00-679-1899INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
9060234
5920-00-760-6345INTERCHANGEABLE
FUSE,CARTRIDGE
273-050
4920-00-947-2242INTERCHANGEABLE
CABLE ASSY,TESTER
50210
3040-01-280-4121INTERCHANGEABLE
SHAFT,SHOULDERED
3040-01-281-1445INTERCHANGEABLE
SHAFT,SHOULDERED

Frequently Asked Questions

What is NSN 5325-00-804-2778?

NSN 5325-00-804-2778 is a Ring,retaining, manufactured by Oshkosh Defense Llc, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-804-2778?

NSN 5325-00-804-2778 has 26 cross-referenced part numbers: 1862810 (Oshkosh Defense Llc), 2730-50 (Triumph Thermal Systems - Maryland, Inc.), MIL-DTL-21248 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 22321R1 (Solar Turbines Incorporated Dba Solar Turbines Incorporated), N5000-268MF (Rotor Clip Company, Inc.) and 21 more.

What NSN replaces 5325-00-804-2778?

There are 6 known substitutes for 5325-00-804-2778: 4310-00-102-5564, 5945-00-679-1899, 5920-00-760-6345 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1862810?

Key specifications for 1862810: Casehardening Indicator: NOT CASEHARDENED; Cross-Sectional Shape Style: RECTANGULAR; Material: STEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090; Usage Design: INTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-804-2778 still in active supply?

NSN 5325-00-804-2778 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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