PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71544R1Ring,sealing,pump T

Deansteel Manufacturing Co · NSN 2520-00-593-1063 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-593-1063 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-593-1063. Primary manufacturer part number: 71544R1.
Features
  • Ring,sealing,pump T — FSC 2520
  • 11 verified cross-references
  • Primary manufacturer: Deansteel Manufacturing Co
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Ring,sealing,pump T, cataloged under National Stock Number 2520-00-593-1063, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Deansteel Manufacturing Co. This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,sealing,pump T
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersBorg-Warner Corp (CAGE 08018); Deansteel Manufacturing Co (CAGE 29513); Barney & White Auto Parts Inc (CAGE 51158); Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (CAGE 92679); Komatsu American Intl Co (CAGE 29510)
Technical Specifications
ParameterValue
NSN2520-00-593-1063
Primary Part Number71544R1
Item NameRing,sealing,pump T
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerDeansteel Manufacturing Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6105-00-006-4184 INTERCHANGEABLE
Stator,motor
3110-00-100-07573191 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Federal-Mogul Corp Government Sales Dept
4460-00-115-5146B2722SH1-2 INTERCHANGEABLE
Purifier,low Pressu
Howell Laboratories Inc Dba Howell Laboratories Inc
5855-00-179-4368SCC623461 INTERCHANGEABLE
Oscillator
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1660-00-192-029921259 INTERCHANGEABLE
Valve,pressure Cont
Mission Systems Orchard Park Inc
2910-00-301-45473191 INTERCHANGEABLE
Holder,adapter,fuel
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
3040-00-411-6222 INTERCHANGEABLE
Gearshaft,spur
2910-00-444-182033191 INTERCHANGEABLE
Filter,fluid
Wix Corp
4310-00-467-3031110377S150 INTERCHANGEABLE
Pneumatic Muffler,exhaust-Intake
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
1650-00-629-29653191 INTERCHANGEABLE
Spring Assembly,compensator
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
3-191 Borg-Warner Corp (USA)
71544R1 PRIMARY Deansteel Manufacturing Co (USA)
21259 PRIMARY Barney & White Auto Parts Inc (USA)
156496R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
133253 Komatsu American Intl Co (USA)
156496R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
156496R1 Komatsu American Intl Co (USA)
156496R1 Navistar International Corporation Dba Navistar (USA)
371544R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
371544R1 Komatsu America Corp. (USA)
371544R1 Komatsu American Intl Co (USA)
Related Parts
6105-00-006-4184INTERCHANGEABLE
STATOR,MOTOR
3110-00-100-0757INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3191
4460-00-115-5146INTERCHANGEABLE
PURIFIER,LOW PRESSU
B2722SH1-2
5855-00-179-4368INTERCHANGEABLE
OSCILLATOR
SCC623461
1660-00-192-0299INTERCHANGEABLE
VALVE,PRESSURE CONT
21259
2910-00-301-4547INTERCHANGEABLE
HOLDER,ADAPTER,FUEL
3191
3040-00-411-6222INTERCHANGEABLE
GEARSHAFT,SPUR
2910-00-444-1820INTERCHANGEABLE
FILTER,FLUID
33191
4310-00-467-3031INTERCHANGEABLE
PNEUMATIC MUFFLER,EXHAUST-INTAKE
110377S150
1650-00-629-2965INTERCHANGEABLE
SPRING ASSEMBLY,COMPENSATOR
3191
5325-00-827-2057INTERCHANGEABLE
GROMMET,NONMETALLIC
9975261
5330-00-843-6542INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 2520-00-593-1063?

NSN 2520-00-593-1063 is a Ring,sealing,pump T, manufactured by Deansteel Manufacturing Co, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-593-1063?

NSN 2520-00-593-1063 has 11 cross-referenced part numbers: 3-191 (Borg-Warner Corp), 71544R1 (Deansteel Manufacturing Co), 21259 (Barney & White Auto Parts Inc), 156496R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 133253 (Komatsu American Intl Co) and 6 more.

What NSN replaces 2520-00-593-1063?

There are 12 known substitutes for 2520-00-593-1063: 6105-00-006-4184, 3110-00-100-0757, 4460-00-115-5146 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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