PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11603Seal,plain Encased

Davey Compressor Co Div of Keco Industries Inc · NSN 5330-00-290-6406 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-290-6406 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-290-6406. Primary manufacturer part number: 11603.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Material: STEEL CASE
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Seal Width: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
  • Housing Bore Diameter: 2.750 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 1.875 INCHES NOMINAL IN
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 5330-00-290-6406, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Davey Compressor Co Div of Keco Industries Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN5330-00-290-6406
Primary Part Number11603
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerDavey Compressor Co Div of Keco Industries Inc
StatusACTIVE
Case StyleSQUARE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
MaterialSTEEL CASE
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Seal Width0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
Housing Bore Diameter2.750 INCHES NOMINAL IN
Accommodated Shaft Diameter1.875 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4310-00-142-070613587N INTERCHANGEABLE
Ring,piston
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5330-00-154-8864240-4111-1035565REVCPC47 INTERCHANGEABLE
Seal,plain Encased
Naval Ship Systems Command
5310-00-186-0976 INTERCHANGEABLE
Washer,key
5905-00-433-5814 INTERCHANGEABLE
Resistor,variable,wire Wound,non
6145-00-548-2925 INTERCHANGEABLE
Braid,wire
5310-00-595-68521326 INTERCHANGEABLE
Washer,flat
Maremont Corp
5340-00-598-71001326 INTERCHANGEABLE
Bumper
Atlantic India Rubber Co Inc
5815-00-601-4197SM-B-314896 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5355-00-668-15358012495 INTERCHANGEABLE
Dial,control
Us Army Aviation and Missile Command
5945-00-845-124824037 INTERCHANGEABLE
Solenoid,electrical
Cole Hersee Company
Cross-Reference Index
Part NumberManufacturer
11603 Davey Compressor Co Div of Keco Industries Inc (USA)
1326 Joy Global Underground Mining Llc (USA)
1048 Joy Global Underground Mining Llc (USA)
1048 Joy Mfg Co Air Power Group Michigan City Plant (USA)
11603 Drs Environmental Systems Inc (USA)
1326 Joy Mfg Co Air Power Group Michigan City Plant (USA)
Related Parts
4310-00-142-0706INTERCHANGEABLE
RING,PISTON
13587N
5330-00-154-8864INTERCHANGEABLE
SEAL,PLAIN ENCASED
240-4111-1035565REVCPC47
5310-00-186-0976INTERCHANGEABLE
WASHER,KEY
5905-00-433-5814INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
6145-00-548-2925INTERCHANGEABLE
BRAID,WIRE
5310-00-595-6852INTERCHANGEABLE
WASHER,FLAT
1326
5340-00-598-7100INTERCHANGEABLE
BUMPER
1326
5815-00-601-4197INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-B-314896
5355-00-668-1535INTERCHANGEABLE
DIAL,CONTROL
8012495
5945-00-845-1248INTERCHANGEABLE
SOLENOID,ELECTRICAL
24037
5930-00-909-3545INTERCHANGEABLE
SWITCH,ROTARY
1326
1650-00-973-3044INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR

Frequently Asked Questions

What is NSN 5330-00-290-6406?

NSN 5330-00-290-6406 is a Seal,plain Encased, manufactured by Davey Compressor Co Div of Keco Industries Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-290-6406?

NSN 5330-00-290-6406 has 6 cross-referenced part numbers: 11603 (Davey Compressor Co Div of Keco Industries Inc), 1326 (Joy Global Underground Mining Llc), 1048 (Joy Global Underground Mining Llc), 1048 (Joy Mfg Co Air Power Group Michigan City Plant), 11603 (Drs Environmental Systems Inc) and 1 more.

What NSN replaces 5330-00-290-6406?

There are 12 known substitutes for 5330-00-290-6406: 4310-00-142-0706, 5330-00-154-8864, 5310-00-186-0976 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11603?

Key specifications for 11603: Case Style: SQUARE; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Material: STEEL CASE; Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT. 8 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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