The O-Ring, cataloged under National Stock Number 5331-01-396-8001, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-396-8001 |
| Primary Part Number | ST7M258H500 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | The Boeing Company Div Defense |
| Status | CANCELLED |
| Color | WHITE |
| Center Hole Diameter | 5.000 INCHES NOMINAL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 600.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ST7M258-500 | The Boeing Company Div Defense (USA) |
| 600-500 | Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc (USA) |
| PTB864-500-250 | Precision Tube Bending (USA) |
| 460-500 | Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc (USA) |
| 600-500 | Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites (USA) |
| 09A136-500 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| ST7M258H500 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5331-01-396-8001 is a O-Ring, manufactured by The Boeing Company Div Defense, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-396-8001 has 7 cross-referenced part numbers: ST7M258-500 (The Boeing Company Div Defense), 600-500 (Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc), PTB864-500-250 (Precision Tube Bending), 460-500 (Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc), 600-500 (Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites) and 2 more.
There are 7 known substitutes for 5331-01-396-8001: 2590-00-227-4552, 4330-01-109-8569, 5330-01-146-2156 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M258H500: Color: WHITE; Center Hole Diameter: 5.000 INCHES NOMINAL IN; Temp Rating: -65.0 FAHRENHEIT AND 600.0 FAHRENHEIT DEGF; Special Features: MATERIAL REINFORCED WITH FIBERGLASS. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-396-8001 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.