PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N5000-253Ring,retaining

Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp · NSN 5325-00-721-4513 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-721-4513 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-721-4513. Primary manufacturer part number: N5000-253.
Features
  • Ring,retaining — FSC 5325
  • Major Thickness: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
  • Usage Design: INTERNAL
  • Surface Treatment: CADMIUM AND CHROMATE
  • 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
  • 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
  • Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
  • Outside Diameter: 2.733 INCHES NOMINAL IN
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 5325-00-721-4513, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-721-4513
Primary Part NumberN5000-253
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerPentair Valves & Controls Us Lp Div Flow Control Us Holding Corp
StatusACTIVE
Major Thickness0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
Usage DesignINTERNAL
Surface TreatmentCADMIUM AND CHROMATE
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
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
Material Hardness Rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
Outside Diameter2.733 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Ring StyleINTERNAL
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-804-2276 INTERCHANGEABLE
Ring,retaining
5325-00-805-1401 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
N5000-253 Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA)
3000-X253-ST-CD Truarc Co Llc (USA)
MILR21248TYPE1CLASS1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS16625-1253 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5325-00-804-2276INTERCHANGEABLE
RING,RETAINING
5325-00-805-1401INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5325-00-721-4513?

NSN 5325-00-721-4513 is a Ring,retaining, manufactured by Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-721-4513?

NSN 5325-00-721-4513 has 5 cross-referenced part numbers: N5000-253 (Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp), 3000-X253-ST-CD (Truarc Co Llc), MILR21248TYPE1CLASS1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-21248 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS16625-1253 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5325-00-721-4513?

There are 2 known substitutes for 5325-00-721-4513: 5325-00-804-2276, 5325-00-805-1401. Verify interchangeability with system specifications before substitution.

What are the specifications of N5000-253?

Key specifications for N5000-253: Major Thickness: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN; Usage Design: INTERNAL; Surface Treatment: CADMIUM AND CHROMATE; 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. 10 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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