The O-Ring, cataloged under National Stock Number 5331-00-264-9720, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-264-9720 |
| Primary Part Number | B568-011CP |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | CANCELLED |
| Outside Diameter | 0.441 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Elongation Percentage | 100 MAXIMUM |
| Temp Rating | -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Criticality Code Justification | ZZZY |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Center Hole Diameter | 0.294 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-G-23652,TY 2 MIL SPEC SINGLE MATERIAL RESPONSE |
| Hardness Rating | 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B568-011CP | Naval Inventory Control Point Mechanicsburg (USA) |
| AS568-011MILG23652TY2 | Sae International Dba Sae International (USA) |
| AS568-011MILG23652TY2CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 5331PL1216092 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| AS568-011MILG23652TY2 | Society of Automotive Engineers Inc (USA) |
| 58-011-45 | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| 58-011-45CP | Naval Inventory Control Point Mechanicsburg (USA) |
| B568-011 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 5331-00-264-9720 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-264-9720 has 8 cross-referenced part numbers: B568-011CP (Naval Inventory Control Point Mechanicsburg), AS568-011MILG23652TY2 (Sae International Dba Sae International), AS568-011MILG23652TY2CP (Naval Inventory Control Point Mechanicsburg), 5331PL1216092 (Jednolity Indeks Materialowy - Uniform Material Index), AS568-011MILG23652TY2 (Society of Automotive Engineers Inc) and 3 more.
There are 4 known substitutes for 5331-00-264-9720: 5331-00-166-1081, 5331-00-582-2133, 5330-01-189-7516 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for B568-011CP: Outside Diameter: 0.441 INCHES NOMINAL IN; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Elongation Percentage: 100 MAXIMUM. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-264-9720 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.