The O-Ring, cataloged under National Stock Number 5331-01-365-3329, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Olympus America Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-365-3329 |
| Primary Part Number | GS901100 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Olympus America Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 1.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | MIL-R-6855,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 7.0 MILLIMETERS NOMINAL MM |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| GS901100 PRIMARY | Olympus America Inc (USA) |
| Reference | Meaning |
|---|---|
| GS901100 | 5/9 Secondary reference Olympus America Inc |
| 2002AS537-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5331-01-365-3329 is a O-Ring, manufactured by Olympus America Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-365-3329 has 1 manufacturer part number on file: GS901100 (Olympus America Inc).
Key specifications for GS901100: Cross-Sectional Height: 1.0 MILLIMETERS NOMINAL MM; Material Document and Classification: MIL-R-6855,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE; Center Hole Diameter: 7.0 MILLIMETERS NOMINAL MM; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 4 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.