PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2968-03ALT2PCQ3O-Ring

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 5331-00-054-6880 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-054-6880 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-054-6880. Primary manufacturer part number: 2968-03ALT2PCQ3.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 4.219 INCHES MINIMUM AND 4.249 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 50 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-054-6880, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-054-6880
Primary Part Number2968-03ALT2PCQ3
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusCANCELLED
Center Hole Diameter4.219 INCHES MINIMUM AND 4.249 INCHES MAXIMUM IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-018-6622186622 INTERCHANGEABLE
Screw,cap,hexagon Head
Rolls-Royce Solutions America Inc
5305-00-068-05112DD63 INTERCHANGEABLE
Screw,cap,hexagon Head
Oshkosh Defense Llc
5945-00-164-7906154098 INTERCHANGEABLE
Solenoid,electrical
Meggitt North Hollywood Inc
5310-00-190-0764186622 INTERCHANGEABLE
Washer,flat
Airmotive Carburetor
5330-00-198-6179 INTERCHANGEABLE
Packing,preformed
5905-00-259-22990319 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
4730-00-266-0533SAE J513 4-4 010102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-266-0538SAE J513 6-4 010102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
9540-00-294-9938 INTERCHANGEABLE
Beam,structural
2805-00-423-3757 INTERCHANGEABLE
Valve,poppet,engine
Cross-Reference Index
Part NumberManufacturer
2968-03ALT2PCQ3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
AN6230B22 Le Joint Francais (FRA)
PS1-30-5-B22 Parker-Hannifin Corp Div O-Ring Division (USA)
547510PCAN6230-22 Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div (USA)
4267-50REVAPC14 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2968-40ALT1PCQ3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
N304-7-B22 Parker-Hannifin Corp Div O-Ring Division (USA)
3055-107PCQ3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
25K40408 Clark Equipment Co (USA)
3868-11PCQ3 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
4267-50REVAPC14 Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility (USA)
KA500PC67 Gpe Controls, Inc Dba Shand & Jurs (USA)
3772-309REVAPC27 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
E55101PC13 Ballston Mechanical Products Inc
3600-121REVDPC27 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
154098 Eaton Aerospace, Llc Dba Jackson South (USA)
31149-3363PC3363 Bausch & Lomb Inc (USA)
31149-4200PC4227 Bausch & Lomb Inc (USA)
D1265-11-234 Dover Corp Elevator Div (USA)
K1-0103-999501ALT1PCAN6230-22 Naval Ship Systems Command (USA)
Related Parts
5305-00-018-6622INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
186622
5305-00-068-0511INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
2DD63
5945-00-164-7906INTERCHANGEABLE
SOLENOID,ELECTRICAL
154098
5310-00-190-0764INTERCHANGEABLE
WASHER,FLAT
186622
5330-00-198-6179INTERCHANGEABLE
PACKING,PREFORMED
5905-00-259-2299INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
0319
4730-00-266-0533INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J513 4-4 010102BA
4730-00-266-0538INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J513 6-4 010102BA
9540-00-294-9938INTERCHANGEABLE
BEAM,STRUCTURAL
2805-00-423-3757INTERCHANGEABLE
VALVE,POPPET,ENGINE
6605-00-459-5815INTERCHANGEABLE
PLATE,LIGHTING
118750
5950-00-497-8603INTERCHANGEABLE
TRANSFORMER,POWER
154098

Frequently Asked Questions

What is NSN 5331-00-054-6880?

NSN 5331-00-054-6880 is a O-Ring, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-054-6880?

NSN 5331-00-054-6880 has 50 cross-referenced part numbers: 2968-03ALT2PCQ3 (Electric Boat Corporation Div General Dynamics Electric Boat), AN6230B22 (Le Joint Francais), PS1-30-5-B22 (Parker-Hannifin Corp Div O-Ring Division), 547510PCAN6230-22 (Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div), 4267-50REVAPC14 (Electric Boat Corporation Div General Dynamics Electric Boat) and 45 more.

What NSN replaces 5331-00-054-6880?

There are 12 known substitutes for 5331-00-054-6880: 5305-00-018-6622, 5305-00-068-0511, 5945-00-164-7906 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2968-03ALT2PCQ3?

Key specifications for 2968-03ALT2PCQ3: Center Hole Diameter: 4.219 INCHES MINIMUM AND 4.249 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-054-6880 still in active supply?

NSN 5331-00-054-6880 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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