PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18658CRSA1Seal,plain Encased

Zf Industrieantriebe Witten Gmbh · NSN 5330-01-046-3291 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-046-3291 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-046-3291. Primary manufacturer part number: 18658CRSA1.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Maximum Rated Speed: 2500 FEET PER MINUTE FT
  • Sealing Element Style: ANGULAR-OPPOSED
  • Seal Width: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
  • Surface Treatment: PLASTIC CASE
  • Material: RUBBER SYNTHETIC SEALING ELEMENT B
  • Case Style: RECESSED
  • Accommodated Shaft Diameter: 1.875 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 5330-01-046-3291, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-046-3291
Primary Part Number18658CRSA1
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerZf Industrieantriebe Witten Gmbh
StatusACTIVE
Accommodated Shaft Maximum Rated Speed2500 FEET PER MINUTE FT
Sealing Element StyleANGULAR-OPPOSED
Seal Width0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
Surface TreatmentPLASTIC CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT B
Case StyleRECESSED
Accommodated Shaft Diameter1.875 INCHES NOMINAL IN
Housing Bore Diameter2.750 INCHES NOMINAL IN
MaterialSTEEL CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT A
Temp Rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
Outside Diameter2.754 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2910-00-208-697418658 INTERCHANGEABLE
Liner,transfer Pump
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
1650-00-866-824218658 INTERCHANGEABLE
Plunger,detent
Parker Hannifin Corporation Div Hydraulic Systems Division
5998-01-246-4780 INTERCHANGEABLE
Circuit Card Assembly
5330-01-257-4322CB90-4310ITEM44 INTERCHANGEABLE
Packing,preformed
Textron Systems Corporation Dba Textron Systems Corp
5305-01-273-943118658 INTERCHANGEABLE
Screw,cap,socket Head
Sps Technologies, Llc Dba PB Fasteners
6515-01-570-5647186-58 INTERCHANGEABLE
Wire,bone
Zimmer, Inc. Dba Z Hotel
6515-01-588-3571ATS45 INTERCHANGEABLE
Stapler and Cutter Unit,surgical
Johnson & Johnson Health Care Systems Inc.
Cross-Reference Index
Part NumberManufacturer
18658CRSA1 Zf Industrieantriebe Witten Gmbh (DEU)
CB71-42002PC131 Textron Systems Corporation Dba Textron Systems Corp (USA)
18658 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
2910-00-208-6974INTERCHANGEABLE
LINER,TRANSFER PUMP
18658
1650-00-866-8242INTERCHANGEABLE
PLUNGER,DETENT
18658
5998-01-246-4780INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5330-01-257-4322INTERCHANGEABLE
PACKING,PREFORMED
CB90-4310ITEM44
5305-01-273-9431INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
18658
6515-01-570-5647INTERCHANGEABLE
WIRE,BONE
186-58
6515-01-588-3571INTERCHANGEABLE
STAPLER AND CUTTER UNIT,SURGICAL
ATS45

Frequently Asked Questions

What is NSN 5330-01-046-3291?

NSN 5330-01-046-3291 is a Seal,plain Encased, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-046-3291?

NSN 5330-01-046-3291 has 3 cross-referenced part numbers: 18658CRSA1 (Zf Industrieantriebe Witten Gmbh), CB71-42002PC131 (Textron Systems Corporation Dba Textron Systems Corp), 18658 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-01-046-3291?

There are 7 known substitutes for 5330-01-046-3291: 2910-00-208-6974, 1650-00-866-8242, 5998-01-246-4780 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18658CRSA1?

Key specifications for 18658CRSA1: Accommodated Shaft Maximum Rated Speed: 2500 FEET PER MINUTE FT; Sealing Element Style: ANGULAR-OPPOSED; Seal Width: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN; Surface Treatment: PLASTIC CASE. 12 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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