The O-Ring, cataloged under National Stock Number 5331-01-549-8647, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-549-8647 |
| Primary Part Number | 2059AS662-04 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Cross-Sectional Height | 0.020 INCHES NOMINAL IN |
| Material Document and Classification | L-P-410 TYPE 6 FED SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.171 INCHES NOMINAL IN |
| Material | PLASTIC POLYAMIDE NYLON |
| 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 |
|---|---|
| 2059AS662-04 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| 2059AS662-04 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5331-01-549-8647 is a O-Ring, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-549-8647 has 2 manufacturer part numbers on file: 2059AS662-04 (Lockheed Martin Corporation Div Rotary and Mission Systems), 2059AS662-04 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 2059AS662-04: Cross-Sectional Height: 0.020 INCHES NOMINAL IN; Material Document and Classification: L-P-410 TYPE 6 FED SPEC SINGLE MATERIAL RESPONSE; Special Features: OVERALL DIAMETER 0.240 INCHES IN; Center Hole Diameter: 0.171 INCHES NOMINAL IN. 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.