The Bushing,eccentric, cataloged under National Stock Number 3120-01-062-1630, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Telemechanics Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-062-1630 |
| Primary Part Number | 402550 |
| Item Name | Bushing,eccentric |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,BLACK OXIDE,0.312 IN. WIDTH ACROSS FLATS,0.119 IN. LG,0.114 IN. DIA HOLE LOCATED 0.050 IN. BELOW CENTERLINE IN |
| 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 |
|---|---|
| 402550 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 402550 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 3120-01-062-1630 is a Bushing,eccentric, manufactured by Telemechanics Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-062-1630 has 1 manufacturer part number on file: 402550 (Telemechanics Inc).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-654-8004. Verify interchangeability with system specifications before substitution.
Key specifications for 402550: General Characteristics Item Description: STEEL,BLACK OXIDE,0.312 IN. WIDTH ACROSS FLATS,0.119 IN. LG,0.114 IN. DIA HOLE LOCATED 0.050 IN. BELOW CENTERLINE IN. 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.