PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9937Seal,plain

C R Industrial Products Ltd · NSN 5330-01-274-8619 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-274-8619 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-274-8619. Primary manufacturer part number: 9937.
Features
  • Seal,plain — FSC 5330
  • Cross-Sectional Shape Style: SINGLE LIP
  • Surface Treatment: PLASTIC CASE
  • Housing Bore Diameter: 1.623 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
  • Seal Width: 0.240 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT
  • Accommodated Shaft Diameter: 1.000 INCHES NOMINAL IN
  • Outside Diameter: 1.628 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm Sealing Element construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-01-274-8619, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is C R Industrial Products Ltd. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-274-8619
Primary Part Number9937
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerC R Industrial Products Ltd
StatusACTIVE
Cross-Sectional Shape StyleSINGLE LIP
Surface TreatmentPLASTIC CASE
Housing Bore Diameter1.623 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
Seal Width0.240 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT
Accommodated Shaft Diameter1.000 INCHES NOMINAL IN
Outside Diameter1.628 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5935-00-258-9003532B INTERCHANGEABLE
Connector,plug,electrical
Hubbell-Raco Inc
5365-00-337-10999937 INTERCHANGEABLE
Bushing,valve Body
Northrop Grumman Systems Corporation Div Marine Systems
5962-00-407-7037600A19 INTERCHANGEABLE
Microcircuit,digital
Cardwell Condenser Corp Lapointe-Admiral Div
5120-00-449-681689-9937 INTERCHANGEABLE
Die,fastener Setting
Morito Scovill Americas, Llc Dba Scovill Manufacturing
3110-01-108-1007 INTERCHANGEABLE
Bushing
5962-01-154-239424-469937 INTERCHANGEABLE
Microcircuit,digital
Analogic Corp Data Precision Div
5985-01-174-1237733312-1 INTERCHANGEABLE
Attenuator,variable
Raytheon Company Div Rmd Strategic
6145-01-286-88889937 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire and Cable Co Wire and Cable Office
3815-01-342-0631 INTERCHANGEABLE
Tooth,surface Ripping
5315-01-387-53359937 INTERCHANGEABLE
Pin,straight,headless
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Cross-Reference Index
Part NumberManufacturer
9937 C R Industrial Products Ltd (GBR)
55-541030 C R Industrial Products Ltd (GBR)
9937 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5935-00-258-9003INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
532B
5365-00-337-1099INTERCHANGEABLE
BUSHING,VALVE BODY
9937
5962-00-407-7037INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
600A19
5120-00-449-6816INTERCHANGEABLE
DIE,FASTENER SETTING
89-9937
3110-01-108-1007INTERCHANGEABLE
BUSHING
5962-01-154-2394INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
24-469937
5985-01-174-1237INTERCHANGEABLE
ATTENUATOR,VARIABLE
733312-1
6145-01-286-8888INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
9937
3815-01-342-0631INTERCHANGEABLE
TOOTH,SURFACE RIPPING
5315-01-387-5335INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
9937

Frequently Asked Questions

What is NSN 5330-01-274-8619?

NSN 5330-01-274-8619 is a Seal,plain, manufactured by C R Industrial Products Ltd, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-274-8619?

NSN 5330-01-274-8619 has 3 cross-referenced part numbers: 9937 (C R Industrial Products Ltd), 55-541030 (C R Industrial Products Ltd), 9937 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-01-274-8619?

There are 10 known substitutes for 5330-01-274-8619: 5935-00-258-9003, 5365-00-337-1099, 5962-00-407-7037 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9937?

Key specifications for 9937: Cross-Sectional Shape Style: SINGLE LIP; Surface Treatment: PLASTIC CASE; Housing Bore Diameter: 1.623 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN; Seal Width: 0.240 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

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