The O-Ring, cataloged under National Stock Number 5331-01-549-5016, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Deere & Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-549-5016 |
| Primary Part Number | AT259636 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Deere & Co |
| Status | ACTIVE |
| 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 |
|---|---|
| AT259636 PRIMARY | Deere & Co (USA) |
| Reference | Meaning |
|---|---|
| AT259636 | 5/9 Secondary reference Western Diesel Services, Inc. Dba Ck Power |
| AT259636 | 3/9 Design control — primary reference C-K Power Products Corp |
NSN 5331-01-549-5016 is a O-Ring, manufactured by Deere & Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-549-5016 has 1 manufacturer part number on file: AT259636 (Deere & Co).
Key specifications for AT259636: End Item Identification: 4320-01-524-4467 PUMPING ASSY, FLAMMABLE LIQUID, BULK TRANSFER. 0 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.