The O-Ring, cataloged under National Stock Number 5331-01-040-9433, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-040-9433 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | MIL-R-1149,TY 2 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 000216EDCP | 5/2 Secondary reference U.S. Government activity |
| 2-216E540-8CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 000216ED | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
| 2-216E540-8 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-01-040-9433 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-040-9433: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY; Material Document and Classification: MIL-R-1149,TY 2 MIL SPEC SINGLE MATERIAL RESPONSE; Center Hole Diameter: 1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN. 6 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.