The O-Ring, cataloged under National Stock Number 5331-01-552-6990, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-552-6990 |
| Primary Part Number | 0N65262.70.63 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fairbanks Morse, Llc |
| 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 |
|---|---|
| 0N65262.70.63 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 029622-025 | 5/9 Secondary reference U.S. Government activity |
| 00652627063 | 3/9 Design control — primary reference U.S. Government activity |
| 00652627063 | 5/9 Secondary reference Fairbanks Morse, Llc |
NSN 5331-01-552-6990 is a O-Ring, manufactured by Fairbanks Morse, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-552-6990 has 1 manufacturer part number on file: 0N65262.70.63 (Fairbanks Morse, Llc).
Key specifications for 0N65262.70.63: Special Features: USED ON COLT-PIELSTICK 16 PA6B STC DIESEL WATER SYSTEM (82796)029622; Part Name Assigned by Controlling Agency: O-RING, AN61, N674-70; End Item Identification: LITTORAL COMBAT SHIP (LCS) USS FREEDOM. 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.