PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2954ASeal,plain

Stewart R a and Co Inc · NSN 5330-00-393-5991 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-393-5991 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-393-5991. Primary manufacturer part number: 2954A.
Features
  • Seal,plain — FSC 5330
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Material: STEEL INTERNALLY MOLDED-IN REINFORCEMENT
  • Housing Bore Diameter: 2.526 INCHES MINIMUM AND 2.536 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: SINGLE LIP
  • Construction: SOLID
  • Accommodated Shaft Diameter: 1.607 INCHES MINIMUM AND 1.613 INCHES MAXIMUM IN
  • Seal Width: 0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-393-5991, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stewart R a and Co Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN5330-00-393-5991
Primary Part Number2954A
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerStewart R a and Co Inc
StatusCANCELLED
MaterialRUBBER SYNTHETIC SEALING ELEMENT
MaterialSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
Housing Bore Diameter2.526 INCHES MINIMUM AND 2.536 INCHES MAXIMUM IN
Cross-Sectional Shape StyleSINGLE LIP
ConstructionSOLID
Accommodated Shaft Diameter1.607 INCHES MINIMUM AND 1.613 INCHES MAXIMUM IN
Seal Width0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-071-2191 INTERCHANGEABLE
Valve,safety Relief
5935-00-105-5530GA800CB2 INTERCHANGEABLE
Adapter,connector
Northrop Grumman Systems Corporation
5935-00-259-381333750 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corporation Div Amphenol Rf
5940-00-501-940317803-0003 INTERCHANGEABLE
Terminal,lug
Honeywell International Inc Dba Honeywell
3020-00-507-0374A6283 INTERCHANGEABLE
Gear,helical
Aerocontrolex Group, Inc. Div Talley Actuators
5905-00-561-7294308-0362-00 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Tektronix, Inc.
4510-00-595-4189 INTERCHANGEABLE
Tailpiece,waste Drain
5960-00-752-5798 INTERCHANGEABLE
Electron Tube
5930-00-825-41246283 INTERCHANGEABLE
Switch,toggle
Birnbach Co Inc
5310-00-842-8212240142 INTERCHANGEABLE
Washer,flat
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
2954A Stewart R a and Co Inc (USA)
29772 Kelsey-Hayes Co Wheel Drum and Brake Div (USA)
MH1000-502 Mancraft Industries Inc (USA)
6283 Wolverine Diesel Power Co (USA)
6283 Kelsey-Hayes Co Wheel Drum and Brake Div (USA)
342-120 Metadure Parts & Sales, Inc. (USA)
33750 Hayes Wheels Intl Inc Akron Opns (USA)
6283 Federal-Mogul Corp Chassis Products Div (USA)
Related Parts
4820-00-071-2191INTERCHANGEABLE
VALVE,SAFETY RELIEF
5935-00-105-5530INTERCHANGEABLE
ADAPTER,CONNECTOR
GA800CB2
5935-00-259-3813INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
33750
5940-00-501-9403INTERCHANGEABLE
TERMINAL,LUG
17803-0003
3020-00-507-0374INTERCHANGEABLE
GEAR,HELICAL
A6283
5905-00-561-7294INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
308-0362-00
4510-00-595-4189INTERCHANGEABLE
TAILPIECE,WASTE DRAIN
5960-00-752-5798INTERCHANGEABLE
ELECTRON TUBE
5930-00-825-4124INTERCHANGEABLE
SWITCH,TOGGLE
6283
5310-00-842-8212INTERCHANGEABLE
WASHER,FLAT
240142
5930-01-024-3072INTERCHANGEABLE
SWITCH,ELECTRICAL
33750
5330-01-121-8437INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
6283

Frequently Asked Questions

What is NSN 5330-00-393-5991?

NSN 5330-00-393-5991 is a Seal,plain, manufactured by Stewart R a and Co Inc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-393-5991?

NSN 5330-00-393-5991 has 8 cross-referenced part numbers: 2954A (Stewart R a and Co Inc), 29772 (Kelsey-Hayes Co Wheel Drum and Brake Div), MH1000-502 (Mancraft Industries Inc), 6283 (Wolverine Diesel Power Co), 6283 (Kelsey-Hayes Co Wheel Drum and Brake Div) and 3 more.

What NSN replaces 5330-00-393-5991?

There are 12 known substitutes for 5330-00-393-5991: 4820-00-071-2191, 5935-00-105-5530, 5935-00-259-3813 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2954A?

Key specifications for 2954A: Material: RUBBER SYNTHETIC SEALING ELEMENT; Material: STEEL INTERNALLY MOLDED-IN REINFORCEMENT; Housing Bore Diameter: 2.526 INCHES MINIMUM AND 2.536 INCHES MAXIMUM IN; Cross-Sectional Shape Style: SINGLE LIP. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-393-5991 still in active supply?

NSN 5330-00-393-5991 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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