The Junction Box, cataloged under National Stock Number 5975-01-274-3330, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bae Flight Systems Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-01-274-3330 |
| Primary Part Number | CSK-9-03499 |
| Item Name | Junction Box |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Bae Flight Systems Inc |
| Status | ACTIVE |
| Inside Depth | 1.437 INCHES NOMINAL IN |
| Body Width | 3.500 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR-SPECIAL COVERED |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| Body Length | 4.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 1100 BEVEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CSK-9-03499 PRIMARY | Bae Flight Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| CSK-9-03499 | 5/9 Secondary reference Bae Systems Technology Solutions & Services Inc. |
| CSK-9-03499 | 5/9 Secondary reference Tracor Flight Systems Inc Sub of Tracor Inc |
| CSK-9-03199-501 | C/1 Advisory reference — outside the item-of-supply concept Bae Flight Systems Inc |
| Z56-72A-24 | 5/9 Secondary reference Zero Corp Dba Apw Wrightline |
| Z56-72A-24 | 5/2 Secondary reference U.S. Government activity |
NSN 5975-01-274-3330 is a Junction Box, manufactured by Bae Flight Systems Inc, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-274-3330 has 1 manufacturer part number on file: CSK-9-03499 (Bae Flight Systems Inc).
Key specifications for CSK-9-03499: Inside Depth: 1.437 INCHES NOMINAL IN; Body Width: 3.500 INCHES NOMINAL IN; Style Designator: RECTANGULAR-SPECIAL COVERED; Material Thickness: 0.063 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.