The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-666-5495, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Beemer Precision Inc. Government technical data includes 3 specifications, 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 | 3120-01-666-5495 |
| Primary Part Number | TT-3800 |
| Item Name | Bearing,washer,thrust |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Beemer Precision Inc |
| Status | ACTIVE |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Outside Diameter | 3.855 INCHES MINIMUM AND 3.895 INCHES MAXIMUM IN |
| Type/model Designation | TT-3800 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3120-01-666-5495 is a Bearing,washer,thrust, manufactured by Beemer Precision Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-666-5495 has 4 manufacturer part numbers on file: 40076983 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)), PN61901 (Babcock International Group Plc), TB-3800 (Bowman International Limited), TT-3800 (Beemer Precision Inc).
Key specifications for TT-3800: Overall Thickness: 0.250 INCHES NOMINAL IN; Outside Diameter: 3.855 INCHES MINIMUM AND 3.895 INCHES MAXIMUM IN; Special Features: 2 3/4 X 3 7/8 OR 2.750 X 3.875 NOMINAL SIZE; INSIDE DIAMETER 2.781 2.751, OUTSIDE DIAMETER 3.895 3.855; Part Name Assigned by Controlling Agency: THRUST BEARING. 3 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.