The O-Ring, cataloged under National Stock Number 5331-01-507-1579, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-507-1579 |
| Primary Part Number | 2545213 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cross-Sectional Height | 0.275 INCHES NOMINAL IN |
| Material Document and Classification | ASTMD2000,AHK715, A1-10, B37,B3 8, EF31, F15 MFR REF ALL MATERIAL RESPONSES |
| Center Hole Diameter | 13.975 INCHES NOMINAL IN |
| Material | RUBBER |
| 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 |
|---|---|
| 2545213 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5331-01-507-1579 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-507-1579 has 1 manufacturer part number on file: 2545213 (Naval Sea Systems Command).
Key specifications for 2545213: Cross-Sectional Height: 0.275 INCHES NOMINAL IN; Material Document and Classification: ASTMD2000,AHK715, A1-10, B37,B3 8, EF31, F15 MFR REF ALL MATERIAL RESPONSES; Center Hole Diameter: 13.975 INCHES NOMINAL IN; End Item Identification: MK 45, MOD 4. 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.