The Bar Lock, cataloged under National Stock Number 3810-00-421-7210, is classified within Federal Supply Class 3810 (Cranes and Crane-shovels) of the Construction, Mining, Excavating Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3810-00-421-7210 |
| Item Name | Bar Lock |
| FSC / FSG | 3810 / 38 — Cranes and Crane-shovels |
| Status | ACTIVE |
| General Characteristics Item Description | L-SHAPED; 0.312 IN. DA; 5.438 IN. LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 800237-11 | 5/9 Secondary reference U.S. Government activity |
| 800237-11 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3810-00-421-7210 is a Bar Lock, classified under FSC 3810, Cranes and Crane-shovels. Status: active.
Key specifications for 3810-00-421-7210: General Characteristics Item Description: L-SHAPED; 0.312 IN. DA; 5.438 IN. LG 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.