PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3100-28STCDRing,retaining

Truarc Company Llc Dba Waldes Truarc · NSN 5325-00-803-6227 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-803-6227 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-803-6227. Primary manufacturer part number: 3100-28STCD.
Features
  • Ring,retaining — FSC 5325
  • Surface Treatment: CADMIUM AND CHROMATE OR CADMIUM AND CHROMATE
  • Material: STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090
  • Material Document and Classification: FED STD 66, COMP 1066 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1069 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1070 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1085 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 11TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 12TH MATERIAL RESPONSE
  • Major Thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
  • Usage Design: EXTERNAL
  • Casehardening Indicator: NOT CASEHARDENED
  • Ring Style: EXTERNAL
Applications
  • Applications requiring Steel Comp 1566 or Steel Comp 1069 or Steel Comp 1070 or Steel Comp 1572 or Steel Comp 1074 or Steel Comp 1075 or Steel Comp 1078 or Steel Comp 1080 or Steel Comp 1085 or Steel Comp 1086 or Steel Comp 1090 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-803-6227, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Truarc Company Llc Dba Waldes Truarc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-803-6227
Primary Part Number3100-28STCD
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerTruarc Company Llc Dba Waldes Truarc
StatusCANCELLED
Surface TreatmentCADMIUM AND CHROMATE OR CADMIUM AND CHROMATE
MaterialSTEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090
Material Document and ClassificationFED STD 66, COMP 1066 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1069 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1070 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1085 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 11TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 12TH MATERIAL RESPONSE
Major Thickness0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
Usage DesignEXTERNAL
Casehardening IndicatorNOT CASEHARDENED
Ring StyleEXTERNAL
Inside Diameter0.251 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Material Hardness Rating69.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 73.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5910-00-275-6434 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
4730-00-518-3555 INTERCHANGEABLE
Coupling Half,quick Disconnect
5930-01-351-574780-1091 INTERCHANGEABLE
Switch Subassembly
Fabwright Inc
6145-01-710-492350109-1 INTERCHANGEABLE
Cable,radio Frequency
Megaphase Llc
Cross-Reference Index
Part NumberManufacturer
3100-28STCD Truarc Company Llc Dba Waldes Truarc (USA)
NAS670-28 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MILR21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS16624-1028 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5100-28-S-MD Truarc Company Llc Dba Waldes Truarc (USA)
MIL-DTL-21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A51060 American Laundry Machinery Inc (USA)
3100-28-ST-CD Truarc Co Llc (USA)
5100-28MD Truarc Company Llc Dba Waldes Truarc (USA)
MS9013-03 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
501091 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5910-00-275-6434INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
4730-00-518-3555INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5930-01-351-5747INTERCHANGEABLE
SWITCH SUBASSEMBLY
80-1091
6145-01-710-4923INTERCHANGEABLE
CABLE,RADIO FREQUENCY
50109-1

Frequently Asked Questions

What is NSN 5325-00-803-6227?

NSN 5325-00-803-6227 is a Ring,retaining, manufactured by Truarc Company Llc Dba Waldes Truarc, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-803-6227?

NSN 5325-00-803-6227 has 11 cross-referenced part numbers: 3100-28STCD (Truarc Company Llc Dba Waldes Truarc), NAS670-28 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MILR21248 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS16624-1028 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 5100-28-S-MD (Truarc Company Llc Dba Waldes Truarc) and 6 more.

What NSN replaces 5325-00-803-6227?

There are 4 known substitutes for 5325-00-803-6227: 5910-00-275-6434, 4730-00-518-3555, 5930-01-351-5747 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3100-28STCD?

Key specifications for 3100-28STCD: Surface Treatment: CADMIUM AND CHROMATE OR CADMIUM AND CHROMATE; Material: STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090; Material Document and Classification: FED STD 66, COMP 1066 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1069 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1070 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1085 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 11TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 12TH MATERIAL RESPONSE; Major Thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-803-6227 still in active supply?

NSN 5325-00-803-6227 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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