The Lock, cataloged under National Stock Number 4940-00-979-8784, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Eastern Co Div Eberhard Manufacturing. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-00-979-8784 |
| Primary Part Number | 5631-UR |
| Item Name | Lock |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Eastern Co Div Eberhard Manufacturing |
| Status | ACTIVE |
| General Characteristics Item Description | A 3 POINT RIGHT HAND LATCH FOR DOOE FROM THE OUTSIDE THE HINGE IS ON THE RIGHT HAND SIDE |
| 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 |
|---|---|
| 5631-UR PRIMARY | Eastern Co Div Eberhard Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 5613-3P0INT | 5/9 Secondary reference Eastern Co the |
| 5613-3P0INT | 5/9 Secondary reference Eastern Co Div Eberhard Manufacturing |
| PP52 | 5/9 Secondary reference U.S. Government activity |
NSN 4940-00-979-8784 is a Lock, manufactured by Eastern Co Div Eberhard Manufacturing, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-00-979-8784 has 1 manufacturer part number on file: 5631-UR (Eastern Co Div Eberhard Manufacturing).
Key specifications for 5631-UR: General Characteristics Item Description: A 3 POINT RIGHT HAND LATCH FOR DOOE FROM THE OUTSIDE THE HINGE IS ON THE RIGHT HAND SIDE. 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.