PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

76865-48X1PC33O-Ring

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 5331-00-956-9216 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-956-9216 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-956-9216. Primary manufacturer part number: 76865-48X1PC33.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.093 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
  • Center Hole Diameter: 3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN
  • Temp Rating: -65.0 FAHRENHEIT AND 240.0 FAHRENHEIT DEGF
  • Outside Diameter: 3.443 INCHES NOMINAL IN
  • 12 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-956-9216, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 9 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
NSN5331-00-956-9216
Primary Part Number76865-48X1PC33
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Cross-Sectional Height0.093 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Hardness Rating70.0 SHORE DUROMETER A NOMINAL
Center Hole Diameter3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN
Temp Rating-65.0 FAHRENHEIT AND 240.0 FAHRENHEIT DEGF
Outside Diameter3.443 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-104-7620 INTERCHANGEABLE
O-Ring
5331-00-420-7591MS28775-152 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
4067-70-152 Parco, Llc (USA)
1446-152 Parker-Hannifin Corporation Div O-Ring Division (USA)
N304-75-152 Parker-Hannifin Corp Div O-Ring Division (USA)
P48026-152 Kerr-Mcgee Chemical Corp (USA)
7377-152 Parker Hannifin Corporation Div O-Ring Division (USA)
SR 832-75-152 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
1160GPC19 Schenck Pegasus Corporation (USA)
MS28775-152 Parker-Hannifin Corp Div O-Ring Division (USA)
2-152 N304-75 Parker-Hannifin Corp Div O-Ring Division (USA)
76865-48X1PC33 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MS28775-152 Society of Automotive Engineers Inc (USA)
75865-48X1PC33 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
5331-00-104-7620INTERCHANGEABLE
O-RING
5331-00-420-7591INTERCHANGEABLE
O-RING
MS28775-152

Frequently Asked Questions

What is NSN 5331-00-956-9216?

NSN 5331-00-956-9216 is a O-Ring, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-956-9216?

NSN 5331-00-956-9216 has 12 cross-referenced part numbers: 4067-70-152 (Parco, Llc), 1446-152 (Parker-Hannifin Corporation Div O-Ring Division), N304-75-152 (Parker-Hannifin Corp Div O-Ring Division), P48026-152 (Kerr-Mcgee Chemical Corp), 7377-152 (Parker Hannifin Corporation Div O-Ring Division) and 7 more.

What NSN replaces 5331-00-956-9216?

There are 2 known substitutes for 5331-00-956-9216: 5331-00-104-7620, 5331-00-420-7591. Verify interchangeability with system specifications before substitution.

What are the specifications of 76865-48X1PC33?

Key specifications for 76865-48X1PC33: Cross-Sectional Height: 0.093 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN. 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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