The O-Ring, cataloged under National Stock Number 5331-01-464-8571, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-464-8571 |
| Primary Part Number | ST1000-209 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| 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 |
|---|---|
| ST1000-209 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| ST1000-209 | Dbr Industries, Inc. Dba Dbr Industries Inc (USA) |
| ST1000-209 | Blade Industrial Products Inc (USA) |
| ST1000-209 | Rtx Corporation Div Pratt & Whitney (USA) |
NSN 5331-01-464-8571 is a O-Ring, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-464-8571 has 4 manufacturer part numbers on file: ST1000-209 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), ST1000-209 (Dbr Industries, Inc. Dba Dbr Industries Inc), ST1000-209 (Blade Industrial Products Inc), ST1000-209 (Rtx Corporation Div Pratt & Whitney).
Key specifications for ST1000-209: Criticality Code Justification: FEAT; Special Features: CRITICAL SAFETY ITEM (CSI). 1 specification is 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.