The O-Ring, cataloged under National Stock Number 5331-01-727-1699, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Wika Holding Lp. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-727-1699 |
| Primary Part Number | 11031905 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Wika Holding Lp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Outside Diameter | 0.504 INCHES NOMINAL IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Color | BLACK |
| Center Hole Diameter | 0.364 INCHES NOMINAL IN |
| Material | FLUOROCARBON RUBBER |
| Cross-Sectional Diameter | 0.070 INCHES NOMINAL IN |
| 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 |
|---|---|
| 11031905 PRIMARY | Wika Holding Lp (USA) |
| Reference | Meaning |
|---|---|
| 4602150 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5331-01-727-1699 is a O-Ring, manufactured by Wika Holding Lp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-727-1699 has 1 manufacturer part number on file: 11031905 (Wika Holding Lp).
Key specifications for 11031905: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Outside Diameter: 0.504 INCHES NOMINAL IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Color: BLACK. 7 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.