PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21RM204Seal,plain Encased

Sealcraft Corporation · NSN 5330-00-292-1643 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-292-1643 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-292-1643. Primary manufacturer part number: 21RM204.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.406 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT B
  • Case Style: SQUARE
  • Material: LEATHER SEALING ELEMENT A
  • Sealing Element Style: ANGULAR
  • Housing Bore Diameter: 1.828 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 1.062 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element B construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-292-1643, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sealcraft Corporation. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 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
NSN5330-00-292-1643
Primary Part Number21RM204
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSealcraft Corporation
StatusCANCELLED
Seal Width0.406 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT B
Case StyleSQUARE
MaterialLEATHER SEALING ELEMENT A
Sealing Element StyleANGULAR
Housing Bore Diameter1.828 INCHES NOMINAL IN
Accommodated Shaft Diameter1.062 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5365-00-080-80912130 INTERCHANGEABLE
Spacer,sleeve
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
3110-00-100-02391701314 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Heil Environmental Industries
5307-00-141-264950-043 INTERCHANGEABLE
Stud,plain
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5815-00-228-6754SC-C-69992-22 INTERCHANGEABLE
Bar,connecting,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-333-93074015-5-4 INTERCHANGEABLE
Ammeter
Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc
3040-00-406-482760288-1 INTERCHANGEABLE
Shaft,shouldered
L3harris Technologies, Inc.
5342-00-489-479249296 INTERCHANGEABLE
Clip-Wire Harness U
Monadnock Company, the Dba Lisi Aerospace
1650-00-573-957650043 INTERCHANGEABLE
Piston and Sleeve a
Hydro-Aire Aerospace Corp
5950-00-649-83469166245 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
5845-00-876-982260-288 INTERCHANGEABLE
Sleeve,ball CAGE
Triumph Thermal Systems - Maryland, Inc.
Cross-Reference Index
Part NumberManufacturer
21RM204 PRIMARY Sealcraft Corporation (USA)
50043 Federal-Mogul Corp Chassis Products Div (USA)
A256A White Farm Equipment Co Sub of Tic Investment Corp
60288 PRIMARY Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
49296 PRIMARY Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
43-190 Federal-Mogul Corp Sealing Products Group Van Wert Plant (USA)
21RM204 PRIMARY Ambac International Corporation Div Ambac International (USA)
DE60255 PRIMARY Agco Corp Parts Opn (USA)
1B1072 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
43-190 Federal-Mogul Corp Chassis Products Div (USA)
4360255 Agco Corp Parts Opn (USA)
Related Parts
5365-00-080-8091INTERCHANGEABLE
SPACER,SLEEVE
2130
3110-00-100-0239INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1701314
5307-00-141-2649INTERCHANGEABLE
STUD,PLAIN
50-043
5815-00-228-6754INTERCHANGEABLE
BAR,CONNECTING,TELETYPEWRITER
SC-C-69992-22
6625-00-333-9307INTERCHANGEABLE
AMMETER
4015-5-4
3040-00-406-4827INTERCHANGEABLE
SHAFT,SHOULDERED
60288-1
5342-00-489-4792INTERCHANGEABLE
CLIP-WIRE HARNESS U
49296
1650-00-573-9576INTERCHANGEABLE
PISTON AND SLEEVE A
50043
5950-00-649-8346INTERCHANGEABLE
TRANSFORMER,POWER
9166245
5845-00-876-9822INTERCHANGEABLE
SLEEVE,BALL CAGE
60-288
5305-00-934-9872INTERCHANGEABLE
SCREW,SHOULDER
4319
6625-00-965-1871INTERCHANGEABLE
VOLTMETER
431-90

Frequently Asked Questions

What is NSN 5330-00-292-1643?

NSN 5330-00-292-1643 is a Seal,plain Encased, manufactured by Sealcraft Corporation, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-292-1643?

NSN 5330-00-292-1643 has 11 cross-referenced part numbers: 21RM204 (Sealcraft Corporation), 50043 (Federal-Mogul Corp Chassis Products Div), A256A (White Farm Equipment Co Sub of Tic Investment Corp), 60288 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 49296 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products) and 6 more.

What NSN replaces 5330-00-292-1643?

There are 12 known substitutes for 5330-00-292-1643: 5365-00-080-8091, 3110-00-100-0239, 5307-00-141-2649 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21RM204?

Key specifications for 21RM204: Seal Width: 0.406 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC SEALING ELEMENT B; Case Style: SQUARE; Material: LEATHER SEALING ELEMENT A. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-292-1643 still in active supply?

NSN 5330-00-292-1643 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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