The Junction Box, cataloged under National Stock Number 5975-01-648-4933, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hubbell Wiegmann. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5975-01-648-4933 |
| Primary Part Number | GFRST20BKBULK |
| Item Name | Junction Box |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Hubbell Wiegmann |
| Status | ACTIVE |
| Second Center to Center Distance Between Mounting Holes | 5.375 INCHES NOMINAL IN |
| Inside Depth | 3.187 INCHES NOMINAL IN |
| Body Width | 6.625 INCHES NOMINAL IN |
| Style Designator | SQUARE-OPPOSITE CORNER TABS |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Body Length | 7.625 INCHES NOMINAL IN |
| First Center to Center Distance Between Mounting Holes | 4.250 INCHES NOMINAL IN |
| Cover Attachment Method | SCREW |
| Material | GLASS FIBER OVERALL |
| 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 |
|---|---|
| GFRST20BKBULK PRIMARY | Hubbell Wiegmann (USA) |
| HW-N4X763SC | Automationdirect.com Inc. Dba Automationdirect Com Inc (USA) |
| Reference | Meaning |
|---|---|
| HW-N4X763SC | 5/9 Secondary reference Hubbell Wiegmann |
NSN 5975-01-648-4933 is a Junction Box, manufactured by Hubbell Wiegmann, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-648-4933 has 2 manufacturer part numbers on file: GFRST20BKBULK (Hubbell Wiegmann), HW-N4X763SC (Automationdirect.com Inc. Dba Automationdirect Com Inc).
Key specifications for GFRST20BKBULK: Second Center to Center Distance Between Mounting Holes: 5.375 INCHES NOMINAL IN; Inside Depth: 3.187 INCHES NOMINAL IN; Body Width: 6.625 INCHES NOMINAL IN; Style Designator: SQUARE-OPPOSITE CORNER TABS. 9 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.