PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3727Seal,plain

Johns Manville Intl · NSN 5330-00-298-0533 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-298-0533 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-298-0533. Primary manufacturer part number: 3727.
Features
  • Seal,plain — FSC 5330
  • Accommodated Shaft Diameter: 5.250 INCHES NOMINAL IN
  • Construction: SOLID
  • Material: STEEL SPRING
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Cross-Sectional Shape Style: SINGLE LIP
  • Seal Width: 0.438 INCHES NOMINAL IN
  • Housing Bore Diameter: 6.250 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Spring construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-298-0533, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Johns Manville Intl. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-298-0533
Primary Part Number3727
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerJohns Manville Intl
StatusACTIVE
Accommodated Shaft Diameter5.250 INCHES NOMINAL IN
ConstructionSOLID
MaterialSTEEL SPRING
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Cross-Sectional Shape StyleSINGLE LIP
Seal Width0.438 INCHES NOMINAL IN
Housing Bore Diameter6.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-154-84731370 INTERCHANGEABLE
Seal,plain Encased
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
2805-00-163-382601727 INTERCHANGEABLE
Guide,valve
Safeguard Powertech Systems
5935-00-187-07002173112 INTERCHANGEABLE
Jack,tip
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6810-00-271-9265 INTERCHANGEABLE
Sodium Hydroxide
5330-00-432-4820 INTERCHANGEABLE
Seal,plain
5950-00-624-2934N285158-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5330-00-641-164837-27 INTERCHANGEABLE
Gasket
Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div
8110-00-758-3727TA475-1295 INTERCHANGEABLE
Tube,document,shipping and Stora
Agm Container Controls Inc Dba Agm Container Controls Inc
5940-00-864-4445 INTERCHANGEABLE
Terminal Board
5120-01-020-78105120-01-020-7810 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
Cross-Reference Index
Part NumberManufacturer
3727 PRIMARY Johns Manville Intl (USA)
287-1020ISSUE9PT3 PRIMARY Raytheon Company Div Corp (USA)
Related Parts
5330-00-154-8473INTERCHANGEABLE
SEAL,PLAIN ENCASED
1370
2805-00-163-3826INTERCHANGEABLE
GUIDE,VALVE
01727
5935-00-187-0700INTERCHANGEABLE
JACK,TIP
2173112
6810-00-271-9265INTERCHANGEABLE
SODIUM HYDROXIDE
5330-00-432-4820INTERCHANGEABLE
SEAL,PLAIN
5950-00-624-2934INTERCHANGEABLE
TRANSFORMER,POWER
N285158-1
5330-00-641-1648INTERCHANGEABLE
GASKET
37-27
8110-00-758-3727INTERCHANGEABLE
TUBE,DOCUMENT,SHIPPING AND STORA
TA475-1295
5940-00-864-4445INTERCHANGEABLE
TERMINAL BOARD
5120-01-020-7810INTERCHANGEABLE
BIT,SCREWDRIVER
5120-01-020-7810
5330-01-517-9701INTERCHANGEABLE
GASKET
3727
5330-01-602-6094INTERCHANGEABLE
RING,RETAINER
3727

Frequently Asked Questions

What is NSN 5330-00-298-0533?

NSN 5330-00-298-0533 is a Seal,plain, manufactured by Johns Manville Intl, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-298-0533?

NSN 5330-00-298-0533 has 2 cross-referenced part numbers: 3727 (Johns Manville Intl), 287-1020ISSUE9PT3 (Raytheon Company Div Corp).

What NSN replaces 5330-00-298-0533?

There are 12 known substitutes for 5330-00-298-0533: 5330-00-154-8473, 2805-00-163-3826, 5935-00-187-0700 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3727?

Key specifications for 3727: Accommodated Shaft Diameter: 5.250 INCHES NOMINAL IN; Construction: SOLID; Material: STEEL SPRING; Material: RUBBER SYNTHETIC SEALING ELEMENT. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com