PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50374SSeal,plain Encased

Federal-Mogul Corp Government Sales Dept · NSN 5330-00-526-8974 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-526-8974 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-526-8974. Primary manufacturer part number: 50374S.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Seal Width: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Housing Bore Diameter: 3.350 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Case Style: SQUARE
  • Material: STEEL CASE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-526-8974, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 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: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-526-8974
Primary Part Number50374S
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFederal-Mogul Corp Government Sales Dept
StatusCANCELLED
Sealing Element StyleANGULAR
Seal Width0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Housing Bore Diameter3.350 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Case StyleSQUARE
MaterialSTEEL CASE
Accommodated Shaft Diameter2.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5133-00-061-628310924 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
5930-00-153-878850374 INTERCHANGEABLE
Switch,thermostatic
Wells Mfg Co
3030-00-264-305106185AB INTERCHANGEABLE
Belt,v
Cnh Industrial America Llc Dba Cnh America
4930-00-300-9531 INTERCHANGEABLE
Tank,oil Spray
5420-00-371-9912 INTERCHANGEABLE
Support,overhead Bracing
6625-00-405-408660902 INTERCHANGEABLE
Ammeter
Dresser, Llc
3120-00-523-2236SCB69580 INTERCHANGEABLE
Bearing,washer,thrust
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3820-00-586-5137 INTERCHANGEABLE
O Ring,hoist Boom
5945-00-607-9870 INTERCHANGEABLE
Relay,reed
5950-00-759-973124287 INTERCHANGEABLE
Transformer,audio Frequency
Torotel, Inc. Div Torotel Products, Inc.
Cross-Reference Index
Part NumberManufacturer
9282829-01 Warner Robins Air Logistics Center (USA)
49311 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
31W-0169 Bae Systems Land & Armaments L.p. (USA)
24281 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
60902 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
6H3580 Caterpillar Inc Div Caterpillar Defense (USA)
24287 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
50374S PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
65X1740 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
50374 Federal-Mogul Corp Government Sales Dept (USA)
335214M1 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5133-00-061-6283INTERCHANGEABLE
DRILL,TWIST
10924
5930-00-153-8788INTERCHANGEABLE
SWITCH,THERMOSTATIC
50374
3030-00-264-3051INTERCHANGEABLE
BELT,V
06185AB
4930-00-300-9531INTERCHANGEABLE
TANK,OIL SPRAY
5420-00-371-9912INTERCHANGEABLE
SUPPORT,OVERHEAD BRACING
6625-00-405-4086INTERCHANGEABLE
AMMETER
60902
3120-00-523-2236INTERCHANGEABLE
BEARING,WASHER,THRUST
SCB69580
3820-00-586-5137INTERCHANGEABLE
O RING,HOIST BOOM
5945-00-607-9870INTERCHANGEABLE
RELAY,REED
5950-00-759-9731INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
24287
4440-00-910-1658INTERCHANGEABLE
PARTS KIT,DEHYDRATOR
6680-01-072-2798INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
0887700

Frequently Asked Questions

What is NSN 5330-00-526-8974?

NSN 5330-00-526-8974 is a Seal,plain Encased, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-526-8974?

NSN 5330-00-526-8974 has 12 cross-referenced part numbers: 9282829-01 (Warner Robins Air Logistics Center), 49311 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 31W-0169 (Bae Systems Land & Armaments L.p.), 24281 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 60902 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products) and 7 more.

What NSN replaces 5330-00-526-8974?

There are 12 known substitutes for 5330-00-526-8974: 5133-00-061-6283, 5930-00-153-8788, 3030-00-264-3051 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50374S?

Key specifications for 50374S: Sealing Element Style: ANGULAR; Seal Width: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC SEALING ELEMENT; Housing Bore Diameter: 3.350 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-526-8974 still in active supply?

NSN 5330-00-526-8974 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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