PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51X831Seal,plain Encased

Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc · NSN 5330-00-568-7879 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-568-7879 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-568-7879. Primary manufacturer part number: 51X831.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Seal Width: 0.469 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Sealing Element Style: ANGULAR
  • Housing Bore Diameter: 2.438 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-568-7879, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-568-7879
Primary Part Number51X831
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerGarlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
StatusCANCELLED
Case StyleSQUARE
Seal Width0.469 INCHES NOMINAL IN
MaterialSTEEL CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Sealing Element StyleANGULAR
Housing Bore Diameter2.438 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Accommodated Shaft Diameter1.688 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5905-00-552-2447 INTERCHANGEABLE
Resistor,fixed,film
4320-01-236-7196 INTERCHANGEABLE
Pump,rotary
5950-01-246-2833SM-B-939701-4 INTERCHANGEABLE
Coil,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5325-01-297-887172192 INTERCHANGEABLE
Ring,retaining
Paccar Winch Inc Dba Paccar Winch Division
2090-01-432-105050-00479 INTERCHANGEABLE
Ladder,debarkation
Steelstran Industries, Inc. Dba A.l. Don Company Div a. L. Don Co.
4730-01-433-255850479 INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
4820-01-536-9471243-12-2 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Wisconsin Oven Corp
5340-01-616-086950479 INTERCHANGEABLE
Cup,suction
Aerovironment, Inc.
Cross-Reference Index
Part NumberManufacturer
0SCRT1 Minnpar, Llc Dba Minnpar (USA)
43-1254 Federal-Mogul Corp Sealing Products Group Van Wert Plant (USA)
50479 Federal-Mogul Corp Chassis Products Div (USA)
243122 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
43-1254 Federal-Mogul Corp Chassis Products Div (USA)
51X831 PRIMARY Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
0SCRT1 Barber-Greene Co (USA)
Related Parts
5905-00-552-2447INTERCHANGEABLE
RESISTOR,FIXED,FILM
4320-01-236-7196INTERCHANGEABLE
PUMP,ROTARY
5950-01-246-2833INTERCHANGEABLE
COIL,ELECTRICAL
SM-B-939701-4
5325-01-297-8871INTERCHANGEABLE
RING,RETAINING
72192
2090-01-432-1050INTERCHANGEABLE
LADDER,DEBARKATION
50-00479
4730-01-433-2558INTERCHANGEABLE
EXPANSION JOINT,PIPE
50479
4820-01-536-9471INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
243-12-2
5340-01-616-0869INTERCHANGEABLE
CUP,SUCTION
50479

Frequently Asked Questions

What is NSN 5330-00-568-7879?

NSN 5330-00-568-7879 is a Seal,plain Encased, manufactured by Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-568-7879?

NSN 5330-00-568-7879 has 7 cross-referenced part numbers: 0SCRT1 (Minnpar, Llc Dba Minnpar), 43-1254 (Federal-Mogul Corp Sealing Products Group Van Wert Plant), 50479 (Federal-Mogul Corp Chassis Products Div), 243122 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 43-1254 (Federal-Mogul Corp Chassis Products Div) and 2 more.

What NSN replaces 5330-00-568-7879?

There are 8 known substitutes for 5330-00-568-7879: 5905-00-552-2447, 4320-01-236-7196, 5950-01-246-2833 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51X831?

Key specifications for 51X831: Case Style: SQUARE; Seal Width: 0.469 INCHES NOMINAL IN; Material: STEEL CASE; Material: RUBBER SYNTHETIC SEALING ELEMENT. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-568-7879 still in active supply?

NSN 5330-00-568-7879 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.
PartsTable Design LLC · partstable.com