PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-74Seal,plain Encased

Seaman-Parsons Corp · NSN 5330-00-131-7058 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-131-7058 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-131-7058. Primary manufacturer part number: 20-74.
Features
  • Seal,plain Encased — FSC 5330
  • Material: STEEL CASE
  • Housing Bore Diameter: 5.625 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Surface Treatment: PHOSPHATE CASE
  • Seal Width: 0.625 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Material: LEATHER SEALING ELEMENT
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 5330-00-131-7058, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Seaman-Parsons Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5330-00-131-7058
Primary Part Number20-74
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSeaman-Parsons Corp
StatusCANCELLED
MaterialSTEEL CASE
Housing Bore Diameter5.625 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Surface TreatmentPHOSPHATE CASE
Seal Width0.625 INCHES NOMINAL IN
Sealing Element StyleANGULAR
MaterialLEATHER SEALING ELEMENT
Case StyleSQUARE
Accommodated Shaft Diameter4.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-022-2724TS-120 COMPOUND 2100 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Div O-Ring Division
5970-00-045-36992074-28 INTERCHANGEABLE
Tape,insulation,electrical
Plymouth Rubber Co Inc
4310-00-166-5352207-4 INTERCHANGEABLE
Housing,vacuum Pump
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5310-00-187-186020-74 INTERCHANGEABLE
Washer,flat
Dresser Industries Inc Leroi Div
5977-00-325-6507B2074 INTERCHANGEABLE
Brush,electrical Contact
Kollmorgen Corp
5330-00-388-68332074 INTERCHANGEABLE
Packing Assembly
Northrop Grumman Systems Corporation Div Marine Systems
2540-00-401-83372074 INTERCHANGEABLE
Mirror Assembly,rearview
Chantilly Development Corporation Dba Acme Specialty Mfg Co Div Acme Specialty Mfg.
6105-00-542-79486309-01 INTERCHANGEABLE
Motor,alternating Current
Rotron Incorporated
5310-00-618-997255367 INTERCHANGEABLE
Washer,flat
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5945-00-888-371055367 INTERCHANGEABLE
Solenoid,electrical
Woodward Hrt Inc
Cross-Reference Index
Part NumberManufacturer
20-74 Seaman-Parsons Corp (USA)
55367 Federal-Mogul Corp Sealing Products Group Van Wert Plant (USA)
55367 Federal-Mogul Corp Chassis Products Div (USA)
Related Parts
5330-00-022-2724INTERCHANGEABLE
GASKET
TS-120 COMPOUND 2100
5970-00-045-3699INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
2074-28
4310-00-166-5352INTERCHANGEABLE
HOUSING,VACUUM PUMP
207-4
5310-00-187-1860INTERCHANGEABLE
WASHER,FLAT
20-74
5977-00-325-6507INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
B2074
5330-00-388-6833INTERCHANGEABLE
PACKING ASSEMBLY
2074
2540-00-401-8337INTERCHANGEABLE
MIRROR ASSEMBLY,REARVIEW
2074
6105-00-542-7948INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
6309-01
5310-00-618-9972INTERCHANGEABLE
WASHER,FLAT
55367
5945-00-888-3710INTERCHANGEABLE
SOLENOID,ELECTRICAL
55367
5935-01-116-7441INTERCHANGEABLE
PLUG,TIP
GP825ED1
5930-01-129-4012INTERCHANGEABLE
SWITCH,THERMOSTATIC
5580-2

Frequently Asked Questions

What is NSN 5330-00-131-7058?

NSN 5330-00-131-7058 is a Seal,plain Encased, manufactured by Seaman-Parsons Corp, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-131-7058?

NSN 5330-00-131-7058 has 3 cross-referenced part numbers: 20-74 (Seaman-Parsons Corp), 55367 (Federal-Mogul Corp Sealing Products Group Van Wert Plant), 55367 (Federal-Mogul Corp Chassis Products Div).

What NSN replaces 5330-00-131-7058?

There are 12 known substitutes for 5330-00-131-7058: 5330-00-022-2724, 5970-00-045-3699, 4310-00-166-5352 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-74?

Key specifications for 20-74: Material: STEEL CASE; Housing Bore Diameter: 5.625 INCHES NOMINAL IN; Special Features: BUNA N SYNTHETIC RUBBER COATED OUTSIDE FACE OF SEALING ELEMENT; WITH PROTECTIVE INNER CASE; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-131-7058 still in active supply?

NSN 5330-00-131-7058 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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