PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

146-26Seal,plain Encased

Heil Environmental Industries · NSN 5330-00-286-8149 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-286-8149 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-286-8149. Primary manufacturer part number: 146-26.
Features
  • Seal,plain Encased — FSC 5330
  • 28 verified cross-references
  • Primary manufacturer: Heil Environmental Industries
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-286-8149, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Heil Environmental Industries. This item has 28 commercial cross-references from 23 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameSeal,plain Encased
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersHeil Environmental Industries (CAGE 27996); Federal-Mogul Corp Sealing Products Group Van Wert Plant (CAGE 81596); Clark Equipment Co (CAGE 12603); Napco International Llc Dba Napco International Inc (CAGE 95201); Dresser Industries Inc Leroi Div (CAGE 35301)
Technical Specifications
ParameterValue
NSN5330-00-286-8149
Primary Part Number146-26
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerHeil Environmental Industries
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-010-0138100138 INTERCHANGEABLE
Screw,cap,hexagon Head
Rolls-Royce Solutions America Inc
3455-00-015-8418TABLE 15, 605 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
The American Society of Mechanical Engineers
2915-00-031-6436236409 INTERCHANGEABLE
Piston,valve,air Driven
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5330-00-177-972111943A INTERCHANGEABLE
Seal,plain Encased
Brinkley Technology Group Llc Dba Hercules Manufacturing
5940-00-259-9057115704-001 INTERCHANGEABLE
Terminal,lug
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5330-00-285-1345 INTERCHANGEABLE
Seal,plain Encased
5330-00-285-3331 INTERCHANGEABLE
Seal,plain Encased
5330-00-286-68291-955 INTERCHANGEABLE
Seal,plain Encased
Terex Usa, Llc Dba Terex Equipment Services
5330-00-286-685160480 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5330-00-286-6869 INTERCHANGEABLE
Seal,plain Encased
Cross-Reference Index
Part NumberManufacturer
146-26 Heil Environmental Industries (USA)
43-446 Federal-Mogul Corp Sealing Products Group Van Wert Plant (USA)
206555 Clark Equipment Co (USA)
16A7415 Napco International Llc Dba Napco International Inc (USA)
125-35 Dresser Industries Inc Leroi Div (USA)
3Y393 Garwood/feller Inc Garwood Winch Div (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
50291S Federal-Mogul Corp Chassis Products Div (USA)
RIXS152 Army Specifications
924 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
5330002868149 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
49338 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
34393 Garwood/feller Inc Garwood Winch Div (USA)
500094 Army Weapons Command Attn Amswe-Ree-S (USA)
PGF8840 Dana Off Highway Products, Llc (USA)
287124 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
A249A Paccar Winch Inc Dba Paccar Winch Division (USA)
5330PL0781129 Jednolity Indeks Materialowy - Uniform Material Index (POL)
60656 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
18F682D64 Morris Material Handling, Inc. (USA)
Related Parts
5305-00-010-0138INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
100138
3455-00-015-8418INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
TABLE 15, 605
2915-00-031-6436INTERCHANGEABLE
PISTON,VALVE,AIR DRIVEN
236409
5330-00-177-9721INTERCHANGEABLE
SEAL,PLAIN ENCASED
11943A
5940-00-259-9057INTERCHANGEABLE
TERMINAL,LUG
115704-001
5330-00-285-1345INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-285-3331INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-286-6829INTERCHANGEABLE
SEAL,PLAIN ENCASED
1-955
5330-00-286-6851INTERCHANGEABLE
SEAL,PLAIN ENCASED
60480
5330-00-286-6869INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-286-7054INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-286-8175INTERCHANGEABLE
SEAL,PLAIN ENCASED

Frequently Asked Questions

What is NSN 5330-00-286-8149?

NSN 5330-00-286-8149 is a Seal,plain Encased, manufactured by Heil Environmental Industries, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-286-8149?

NSN 5330-00-286-8149 has 28 cross-referenced part numbers: 146-26 (Heil Environmental Industries), 43-446 (Federal-Mogul Corp Sealing Products Group Van Wert Plant), 206555 (Clark Equipment Co), 16A7415 (Napco International Llc Dba Napco International Inc), 125-35 (Dresser Industries Inc Leroi Div) and 23 more.

What NSN replaces 5330-00-286-8149?

There are 12 known substitutes for 5330-00-286-8149: 5305-00-010-0138, 3455-00-015-8418, 2915-00-031-6436 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5330-00-286-8149 still in active supply?

NSN 5330-00-286-8149 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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