PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11378Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-01-257-4316 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-257-4316 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-257-4316. Primary manufacturer part number: 11378.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 2.250 INCHES NOMINAL IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
  • Case Style: SQUARE
  • Surface Treatment: PLASTIC CASE
  • Material: STEEL CASE
  • Material: STEEL CORROSION RESISTING SPRING
  • Outside Diameter: 2.254 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-257-4316, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc. Dba Skf Aerospace Sealing Solutions. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-257-4316
Primary Part Number11378
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Housing Bore Diameter2.250 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
Case StyleSQUARE
Surface TreatmentPLASTIC CASE
MaterialSTEEL CASE
MaterialSTEEL CORROSION RESISTING SPRING
Outside Diameter2.254 INCHES NOMINAL IN
Accommodated Shaft Diameter1.125 INCHES NOMINAL IN
Sealing Element StyleVERTICAL
Seal Width0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-208-962811378 INTERCHANGEABLE
Nut,plain,hexagon
Brinkley Technology Group Llc Dba Hercules Manufacturing
5136-00-228-1001 INTERCHANGEABLE
Tap,thread Cutting
5315-00-244-3961 INTERCHANGEABLE
Pin,straight,headless
5985-00-419-537110672282 INTERCHANGEABLE
Attenuator,variable
Us Army Aviation and Missile Command
1005-00-512-768411378 INTERCHANGEABLE
Release,gun Charger
Nobles Worldwide, Inc.
6160-00-832-6168 INTERCHANGEABLE
Cover,battery
6635-01-164-7356 INTERCHANGEABLE
Transducer,supersonic Test
3040-01-264-934811378 INTERCHANGEABLE
Cam,control
L & R Manufacturing Company
Cross-Reference Index
Part NumberManufacturer
11378 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5310-00-208-9628INTERCHANGEABLE
NUT,PLAIN,HEXAGON
11378
5136-00-228-1001INTERCHANGEABLE
TAP,THREAD CUTTING
5315-00-244-3961INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5985-00-419-5371INTERCHANGEABLE
ATTENUATOR,VARIABLE
10672282
1005-00-512-7684INTERCHANGEABLE
RELEASE,GUN CHARGER
11378
6160-00-832-6168INTERCHANGEABLE
COVER,BATTERY
6635-01-164-7356INTERCHANGEABLE
TRANSDUCER,SUPERSONIC TEST
3040-01-264-9348INTERCHANGEABLE
CAM,CONTROL
11378

Frequently Asked Questions

What is NSN 5330-01-257-4316?

NSN 5330-01-257-4316 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-257-4316?

NSN 5330-01-257-4316 has 1 cross-referenced part number: 11378 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-01-257-4316?

There are 8 known substitutes for 5330-01-257-4316: 5310-00-208-9628, 5136-00-228-1001, 5315-00-244-3961 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11378?

Key specifications for 11378: Housing Bore Diameter: 2.250 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT; Case Style: SQUARE; Surface Treatment: PLASTIC CASE. 10 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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