The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-129-9908, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Cunico Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-129-9908 |
| Primary Part Number | 18-603 |
| Item Name | Bearing,washer,thrust |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Cunico Corporation |
| Status | ACTIVE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| 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 |
|---|---|
| 18-603 PRIMARY | Cunico Corporation (USA) |
| Reference | Meaning |
|---|---|
| DD-4686 REF NO 11 | C/1 Advisory reference — outside the item-of-supply concept Cunico Corporation |
| DD-4836 ITEM 11 | C/1 Advisory reference — outside the item-of-supply concept Cunico Corporation |
| DD-1686 PIECE 8 | 5/1 Secondary reference Cunico Corporation |
NSN 3120-01-129-9908 is a Bearing,washer,thrust, manufactured by Cunico Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-129-9908 has 1 manufacturer part number on file: 18-603 (Cunico Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 4010-01-319-4833, 6685-01-664-6760. Verify interchangeability with system specifications before substitution.
Key specifications for 18-603: Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL. 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.