PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2B5903Seal,plain Encased

Fwd Seagrave Holdings Lp · NSN 5330-00-290-1018 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-290-1018 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-290-1018. Primary manufacturer part number: 2B5903.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 3.000 INCHES NOMINAL IN
  • Seal Width: 0.438 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
  • Case Style: SQUARE
  • Housing Bore Diameter: 3.999 INCHES MINIMUM AND 4.003 INCHES MAXIMUM IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Sealing Element Style: ANGULAR
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather or Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-290-1018, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 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
NSN5330-00-290-1018
Primary Part Number2B5903
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusCANCELLED
Accommodated Shaft Diameter3.000 INCHES NOMINAL IN
Seal Width0.438 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
Case StyleSQUARE
Housing Bore Diameter3.999 INCHES MINIMUM AND 4.003 INCHES MAXIMUM IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Sealing Element StyleANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5999-00-035-867814504 INTERCHANGEABLE
Contact Assembly,electrical
Leslie Controls, Inc. Dba Leslie Controls Inc
5133-00-142-495814504 INTERCHANGEABLE
Bit,forstner
Vermont American Corp
5330-00-154-8369 INTERCHANGEABLE
Seal,plain Encased
5961-00-231-3830SM-B-650897 INTERCHANGEABLE
Semiconductor Devices,unitized
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-291-1616F299A INTERCHANGEABLE
Seal,plain Encased
Dana Off Highway Products, Llc
2510-00-318-10581041 INTERCHANGEABLE
Shock Absorber,direct Action
Tenneco Inc
5355-00-324-8857SM-B-187029 INTERCHANGEABLE
Knob
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-739-446155013 INTERCHANGEABLE
Switch,toggle
Cole Hersee Company
5133-00-838-5254 INTERCHANGEABLE
Drill,twist
1285-00-899-0364526-7727-013 INTERCHANGEABLE
Filter-Detector Ass
Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems
Cross-Reference Index
Part NumberManufacturer
4003 Bomag Usa Sub of United Dominion Industries Ltd (USA)
77160H Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
2B5903 PRIMARY Fwd Seagrave Holdings Lp (USA)
6PS396 Air Products & Chemicals, Inc (USA)
55013 Country Caterers Bbq Inc. Dba Country Caterer's Use CAGE Code 0mm69 for Cataloging (USA)
46978D Navistar International Corporation Dba Navistar (USA)
14504 Bomag Usa Sub of United Dominion Industries Ltd (USA)
77160H Navistar Intl Corp Truck Br Ohio Plant (USA)
77160H Navistar International Corporation Dba Navistar (USA)
77160H PRIMARY Elliott Company Div Jeannette (USA)
46978D Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
8100-758662-5 Department of the Air Force (USA)
55013 A-T-O Construction Equipment Div (USA)
Related Parts
5999-00-035-8678INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
14504
5133-00-142-4958INTERCHANGEABLE
BIT,FORSTNER
14504
5330-00-154-8369INTERCHANGEABLE
SEAL,PLAIN ENCASED
5961-00-231-3830INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
SM-B-650897
5330-00-291-1616INTERCHANGEABLE
SEAL,PLAIN ENCASED
F299A
2510-00-318-1058INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
1041
5355-00-324-8857INTERCHANGEABLE
KNOB
SM-B-187029
5930-00-739-4461INTERCHANGEABLE
SWITCH,TOGGLE
55013
5133-00-838-5254INTERCHANGEABLE
DRILL,TWIST
1285-00-899-0364INTERCHANGEABLE
FILTER-DETECTOR ASS
526-7727-013
6130-01-081-2717INTERCHANGEABLE
POWER SUPPLY
5325-01-109-0440INTERCHANGEABLE
RING,RETAINING
14504

Frequently Asked Questions

What is NSN 5330-00-290-1018?

NSN 5330-00-290-1018 is a Seal,plain Encased, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-290-1018?

NSN 5330-00-290-1018 has 13 cross-referenced part numbers: 4003 (Bomag Usa Sub of United Dominion Industries Ltd), 77160H (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 2B5903 (Fwd Seagrave Holdings Lp), 6PS396 (Air Products & Chemicals, Inc), 55013 (Country Caterers Bbq Inc. Dba Country Caterer's Use CAGE Code 0mm69 for Cataloging) and 8 more.

What NSN replaces 5330-00-290-1018?

There are 12 known substitutes for 5330-00-290-1018: 5999-00-035-8678, 5133-00-142-4958, 5330-00-154-8369 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2B5903?

Key specifications for 2B5903: Accommodated Shaft Diameter: 3.000 INCHES NOMINAL IN; Seal Width: 0.438 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN; Case Style: SQUARE; Housing Bore Diameter: 3.999 INCHES MINIMUM AND 4.003 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-290-1018 still in active supply?

NSN 5330-00-290-1018 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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