PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N5000-187Ring,retaining

Truarc Company Llc Dba Waldes Truarc · NSN 5325-01-173-0704 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-173-0704 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-173-0704. Primary manufacturer part number: N5000-187.
Features
  • Ring,retaining — FSC 5325
  • Outside Diameter: 2.047 INCHES MINIMUM AND 2.107 INCHES MAXIMUM IN
  • 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 1086 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 11TH MATERIAL RESPONSE
  • Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
  • 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 1086 OR STEEL COMP 1090
  • Surface Treatment Document and Classification: MIL-P-16232, TYPE Z, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE
  • Surface Treatment: PHOSPHATE ZINC
  • Usage Design: INTERNAL
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 1086 or Steel Comp 1090 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-173-0704, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-01-173-0704
Primary Part NumberN5000-187
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerTruarc Company Llc Dba Waldes Truarc
StatusCANCELLED
Outside Diameter2.047 INCHES MINIMUM AND 2.107 INCHES MAXIMUM IN
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 1086 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 11TH MATERIAL RESPONSE
Material Hardness Rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
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 1086 OR STEEL COMP 1090
Surface Treatment Document and ClassificationMIL-P-16232, TYPE Z, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE
Surface TreatmentPHOSPHATE ZINC
Usage DesignINTERNAL
Major Thickness0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Ring StyleINTERNAL
Cross-Sectional Shape StyleRECTANGULAR
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6220-00-944-27781423-1 INTERCHANGEABLE
Light,landing,aircraft
Control Products Corporation
1650-01-218-51335000187 INTERCHANGEABLE
Cap,valve
Hamilton Sundstrand Corporation
Cross-Reference Index
Part NumberManufacturer
N5000-187 Truarc Company Llc Dba Waldes Truarc (USA)
R271NAB0187NN056NNNF1 The American Society of Mechanical Engineers (USA)
10390570 Nimikkeistokeskus Ncb Finland (FIN)
MS16625-3187 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
N5000-187S 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
5000-187 Truarc Company Llc Dba Waldes Truarc (USA)
N5000-187S Rotor Clip Company, Inc. (USA)
PP0284A-187 Circor Pumps North America Llc (USA)
Related Parts
6220-00-944-2778INTERCHANGEABLE
LIGHT,LANDING,AIRCRAFT
1423-1
1650-01-218-5133INTERCHANGEABLE
CAP,VALVE
5000187

Frequently Asked Questions

What is NSN 5325-01-173-0704?

NSN 5325-01-173-0704 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 5325-01-173-0704?

NSN 5325-01-173-0704 has 9 cross-referenced part numbers: N5000-187 (Truarc Company Llc Dba Waldes Truarc), R271NAB0187NN056NNNF1 (The American Society of Mechanical Engineers), 10390570 (Nimikkeistokeskus Ncb Finland), MS16625-3187 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), N5000-187S (Truarc Company Llc Dba Waldes Truarc) and 4 more.

What NSN replaces 5325-01-173-0704?

There are 2 known substitutes for 5325-01-173-0704: 6220-00-944-2778, 1650-01-218-5133. Verify interchangeability with system specifications before substitution.

What are the specifications of N5000-187?

Key specifications for N5000-187: Outside Diameter: 2.047 INCHES MINIMUM AND 2.107 INCHES MAXIMUM IN; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); 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 1086 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 11TH MATERIAL RESPONSE; Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-01-173-0704 still in active supply?

NSN 5325-01-173-0704 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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