The Box Connector,electrical, cataloged under National Stock Number 5975-01-727-9549, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Topaz Electric Corp Div of Topaz Lighting Corp. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-01-727-9549 |
| Primary Part Number | 451 |
| Item Name | Box Connector,electrical |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Topaz Electric Corp Div of Topaz Lighting Corp |
| Status | ACTIVE |
| Item Accommodated Trade Size | 0.5 INCHES SINGLE END IN |
| Style Designator | STRAIGHT |
| Conduit Type Accommodated | FLEXIBLE METALLIC SINGLE END |
| Material | STEEL |
| End Type | EXTERNAL THREAD SINGLE END |
| 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 |
|---|---|
| 451 PRIMARY | Topaz Electric Corp Div of Topaz Lighting Corp (USA) |
| Reference | Meaning |
|---|---|
| 12421664-002 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 12421664-002 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Defense Llc |
| 12421664 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5975-01-727-9549 is a Box Connector,electrical, manufactured by Topaz Electric Corp Div of Topaz Lighting Corp, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-727-9549 has 1 manufacturer part number on file: 451 (Topaz Electric Corp Div of Topaz Lighting Corp).
Key specifications for 451: Item Accommodated Trade Size: 0.5 INCHES SINGLE END IN; Style Designator: STRAIGHT; Special Features: SCREW IN TYPE; LENGTH: 1.38 INCHES; WIDTH: 0.92 INCHES; MOUNTING HOLE DIAMETER: 0.875 INCHES IN; Part Name Assigned by Controlling Agency: CONDUIT CONNECTOR, STRAIGHT. 5 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.