The O-Ring, cataloged under National Stock Number 5331-01-696-4970, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-696-4970 |
| Primary Part Number | GS570J2F226 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Temp Rating | -100.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-R-25988 TYPE1,CLASS1,GRADE70 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 1.966 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN |
| Material | RUBBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| GS570J2F226 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| GS570J2F226 | Parco, Llc (USA) |
| GS570J2F226 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| GS570J | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 5331-01-696-4970 is a O-Ring, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-696-4970 has 3 manufacturer part numbers on file: GS570J2F226 (Northrop Grumman Systems Corporation), GS570J2F226 (Parco, Llc), GS570J2F226 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for GS570J2F226: Temp Rating: -100.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material Document and Classification: MIL-R-25988 TYPE1,CLASS1,GRADE70 MIL SPEC SINGLE MATERIAL RESPONSE; Special Features: MATERIAL:FLUOROSILICONE. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.