PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2560274-6Seal,plain Encased

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5330-00-117-9891 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-117-9891 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-117-9891. Primary manufacturer part number: 2560274-6.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Housing Bore Diameter: 1.756 INCHES NOMINAL IN
  • Case Style: RECESSED
  • Seal Width: 0.437 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 1.250 INCHES NOMINAL IN
  • Material: LEATHER SEALING ELEMENT
  • Material: STEEL CASE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-117-9891, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-117-9891
Primary Part Number2560274-6
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Sealing Element StyleANGULAR
Housing Bore Diameter1.756 INCHES NOMINAL IN
Case StyleRECESSED
Seal Width0.437 INCHES NOMINAL IN
Accommodated Shaft Diameter1.250 INCHES NOMINAL IN
MaterialLEATHER SEALING ELEMENT
MaterialSTEEL CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6625-00-028-353350140 INTERCHANGEABLE
Ammeter
Telephone Company of America Incorporated
4320-00-470-6269450246 INTERCHANGEABLE
Pump,rotary
Dana Off Highway Products, Llc
5330-00-561-038700044-TY 4 CASE TY 2B ELEMENT INTERCHANGEABLE
Seal,plain Encased
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5325-00-619-295085-11-140-16 INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
2840-00-821-6342450140 INTERCHANGEABLE
Bracket,ignition E,
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3020-00-937-8455450140 INTERCHANGEABLE
Gear,spur
Bae Systems Information and Electronic Systems Integration Inc.
5307-01-003-960750140 INTERCHANGEABLE
Stud,plain
Oshkosh Defense Llc
5961-01-314-831750-140 INTERCHANGEABLE
Semiconductor Device,diode
Vanner, Inc
1005-01-487-243750140 INTERCHANGEABLE
Lever,breechblock,cocking
American Apex Corporation
5950-01-562-720950140 INTERCHANGEABLE
Transformer,power
Crispaire Corp Dba Marvair Co
Cross-Reference Index
Part NumberManufacturer
2560274-6 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
450140N Federal-Mogul Corp Government Sales Dept (USA)
50140 Federal-Mogul Corp Government Sales Dept (USA)
2560274-6 Standard Mfg Co Inc (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
450140 Federal-Mogul Corp Government Sales Dept (USA)
00044 TY4 CASE TY 2B ELEMENT Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
Related Parts
6625-00-028-3533INTERCHANGEABLE
AMMETER
50140
4320-00-470-6269INTERCHANGEABLE
PUMP,ROTARY
450246
5330-00-561-0387INTERCHANGEABLE
SEAL,PLAIN ENCASED
00044-TY 4 CASE TY 2B ELEMENT
5325-00-619-2950INTERCHANGEABLE
STUD,TURNLOCK FASTENER
85-11-140-16
2840-00-821-6342INTERCHANGEABLE
BRACKET,IGNITION E,
450140
3020-00-937-8455INTERCHANGEABLE
GEAR,SPUR
450140
5307-01-003-9607INTERCHANGEABLE
STUD,PLAIN
50140
5961-01-314-8317INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
50-140
1005-01-487-2437INTERCHANGEABLE
LEVER,BREECHBLOCK,COCKING
50140
5950-01-562-7209INTERCHANGEABLE
TRANSFORMER,POWER
50140
5331-01-707-8649INTERCHANGEABLE
O-RING
50140

Frequently Asked Questions

What is NSN 5330-00-117-9891?

NSN 5330-00-117-9891 is a Seal,plain Encased, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-117-9891?

NSN 5330-00-117-9891 has 7 cross-referenced part numbers: 2560274-6 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 450140N (Federal-Mogul Corp Government Sales Dept), 50140 (Federal-Mogul Corp Government Sales Dept), 2560274-6 (Standard Mfg Co Inc), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia) and 2 more.

What NSN replaces 5330-00-117-9891?

There are 11 known substitutes for 5330-00-117-9891: 6625-00-028-3533, 4320-00-470-6269, 5330-00-561-0387 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2560274-6?

Key specifications for 2560274-6: Sealing Element Style: ANGULAR; Housing Bore Diameter: 1.756 INCHES NOMINAL IN; Case Style: RECESSED; Seal Width: 0.437 INCHES NOMINAL IN. 7 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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