PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS1121Seal,plain Encased

Rexnord Industries, Llc Div Aerospace Solutions Downers Grove · NSN 5330-00-978-2826 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-978-2826 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-978-2826. Primary manufacturer part number: SS1121.
Features
  • Seal,plain Encased — FSC 5330
  • Temp Rating: -40.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
  • Seal Width: 0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
  • Case Style: SHOULDERED
  • Accommodated Shaft Diameter: 1.092 INCHES NOMINAL IN
  • Housing Bore Diameter: 1.688 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Rexnord Industries, Llc Div Aerospace Solutions Downers Grove
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-978-2826, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rexnord Industries, Llc Div Aerospace Solutions Downers Grove. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-978-2826
Primary Part NumberSS1121
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerRexnord Industries, Llc Div Aerospace Solutions Downers Grove
StatusACTIVE
Temp Rating-40.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
Seal Width0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
Case StyleSHOULDERED
Accommodated Shaft Diameter1.092 INCHES NOMINAL IN
Housing Bore Diameter1.688 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3040-00-418-4925 INTERCHANGEABLE
Shaft,control
5120-00-596-11995120-00-596-1199 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
General Services Administration Federal Supply Service
Cross-Reference Index
Part NumberManufacturer
SS1121 PRIMARY Rexnord Industries, Llc Div Aerospace Solutions Downers Grove (USA)
CHA00377 Kline Manufacturing Co Inc (USA)
408024 Kline Manufacturing Co Inc (USA)
Related Parts
3040-00-418-4925INTERCHANGEABLE
SHAFT,CONTROL
5120-00-596-1199INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
5120-00-596-1199

Frequently Asked Questions

What is NSN 5330-00-978-2826?

NSN 5330-00-978-2826 is a Seal,plain Encased, manufactured by Rexnord Industries, Llc Div Aerospace Solutions Downers Grove, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-978-2826?

NSN 5330-00-978-2826 has 3 cross-referenced part numbers: SS1121 (Rexnord Industries, Llc Div Aerospace Solutions Downers Grove), CHA00377 (Kline Manufacturing Co Inc), 408024 (Kline Manufacturing Co Inc).

What NSN replaces 5330-00-978-2826?

There are 2 known substitutes for 5330-00-978-2826: 3040-00-418-4925, 5120-00-596-1199. Verify interchangeability with system specifications before substitution.

What are the specifications of SS1121?

Key specifications for SS1121: Temp Rating: -40.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF; Seal Width: 0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN; Case Style: SHOULDERED; Accommodated Shaft Diameter: 1.092 INCHES NOMINAL IN. 5 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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