PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17557Seal,plain Encased

Cr Industries Chicago Rawhide Mfg Co · NSN 5330-01-026-9651 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-026-9651 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-026-9651. Primary manufacturer part number: 17557.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.500 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 1.750 INCHES NOMINAL IN
  • Case Style: FLANGED
  • Sealing Element Style: ANGULAR
  • Material: PLASTIC ALLYL SEALING ELEMENT
  • Housing Bore Diameter: 2.750 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Plastic Allyl Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-026-9651, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cr Industries Chicago Rawhide Mfg Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-026-9651
Primary Part Number17557
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCr Industries Chicago Rawhide Mfg Co
StatusACTIVE
Seal Width0.500 INCHES NOMINAL IN
Accommodated Shaft Diameter1.750 INCHES NOMINAL IN
Case StyleFLANGED
Sealing Element StyleANGULAR
MaterialPLASTIC ALLYL SEALING ELEMENT
Housing Bore Diameter2.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3120-00-383-855617557 INTERCHANGEABLE
Bearing,sleeve
Mitsubishi Caterpillar Forklift America, Inc
5950-00-647-77002180239 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6695-01-017-549417-557 INTERCHANGEABLE
Bezel,instrument Mounting
Horizon Aerospace Llc Dba Magnetics Division
5331-01-273-222817557 INTERCHANGEABLE
O-Ring
Newdoll Enterprises, Llc
7030-01-688-811117557 INTERCHANGEABLE
Software
Vitec Inc Div Vitec Incorporated
Cross-Reference Index
Part NumberManufacturer
17557 Cr Industries Chicago Rawhide Mfg Co (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
Related Parts
3120-00-383-8556INTERCHANGEABLE
BEARING,SLEEVE
17557
5950-00-647-7700INTERCHANGEABLE
TRANSFORMER,POWER
2180239
6695-01-017-5494INTERCHANGEABLE
BEZEL,INSTRUMENT MOUNTING
17-557
5331-01-273-2228INTERCHANGEABLE
O-RING
17557
7030-01-688-8111INTERCHANGEABLE
SOFTWARE
17557

Frequently Asked Questions

What is NSN 5330-01-026-9651?

NSN 5330-01-026-9651 is a Seal,plain Encased, manufactured by Cr Industries Chicago Rawhide Mfg Co, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-026-9651?

NSN 5330-01-026-9651 has 2 cross-referenced part numbers: 17557 (Cr Industries Chicago Rawhide Mfg Co), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).

What NSN replaces 5330-01-026-9651?

There are 5 known substitutes for 5330-01-026-9651: 3120-00-383-8556, 5950-00-647-7700, 6695-01-017-5494 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17557?

Key specifications for 17557: Seal Width: 0.500 INCHES NOMINAL IN; Accommodated Shaft Diameter: 1.750 INCHES NOMINAL IN; Case Style: FLANGED; Sealing Element Style: ANGULAR. 6 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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