The O-Ring, cataloged under National Stock Number 5331-01-437-9509, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-437-9509 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM D2000 3HK915A1-10B38EF31E078Z1 ASSN STD SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.914 INCHES MINIMUM AND 0.934 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 77K119 | 3/9 Design control — primary reference Landoll Corporation Dba Landoll Corporation Drexel Division Div Drexel |
NSN 5331-01-437-9509 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-437-9509: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Material Document and Classification: ASTM D2000 3HK915A1-10B38EF31E078Z1 ASSN STD SINGLE MATERIAL RESPONSE; Center Hole Diameter: 0.914 INCHES MINIMUM AND 0.934 INCHES MAXIMUM IN. 3 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.