The Adapter,test Block, cataloged under National Stock Number 4920-01-490-3909, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-490-3909 |
| Primary Part Number | E13911-001 |
| Item Name | Adapter,test Block |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Cross-Sectional Height | 9.000 INCHES NOMINAL IN |
| Cross-Sectional Width | 6.000 INCHES NOMINAL IN |
| Reference Data and Literature | SERD 2894 |
| Material | ALUMINUM ALLOY AND STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| E13911-001 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| E13911-001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-490-3909 is a Adapter,test Block, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-490-3909 has 1 manufacturer part number on file: E13911-001 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for E13911-001: Cross-Sectional Height: 9.000 INCHES NOMINAL IN; Cross-Sectional Width: 6.000 INCHES NOMINAL IN; Reference Data and Literature: SERD 2894; Overall Length: 13.500 INCHES NOMINAL IN. 4 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.
NSN 4920-01-490-3909 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.