The O-Ring, cataloged under National Stock Number 5331-01-425-8664, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kockum Products. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-425-8664 |
| Primary Part Number | 37691132 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Kockum Products |
| Status | ACTIVE |
| Cross-Sectional Height | 1.60 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 22.10 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 |
|---|---|
| 37691132 | Kockum Products (USA) |
| Reference | Meaning |
|---|---|
| 37691132 | 3/9 Design control — primary reference Kockum Sonics Ab |
| 37691132 | C/1 Advisory reference — outside the item-of-supply concept Kockum Sonics Aktiebolag |
NSN 5331-01-425-8664 is a O-Ring, manufactured by Kockum Products, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-425-8664 has 1 manufacturer part number on file: 37691132 (Kockum Products).
Key specifications for 37691132: Cross-Sectional Height: 1.60 MILLIMETERS NOMINAL MM; Center Hole Diameter: 22.10 MILLIMETERS NOMINAL MM; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.