The Cover,junction Box, cataloged under National Stock Number 5975-00-433-5983, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5975-00-433-5983 |
| Primary Part Number | 74803181-9 |
| Item Name | Cover,junction Box |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Cover Mounting Hole Quantity | 2 |
| Style Designator | RAISED OFFSET MOUNTING HOLES |
| Mounting Hole Diameter | 0.190 INCHES NOMINAL IN |
| Outside Diameter | 3.500 INCHES NOMINAL IN |
| Cover Type | FLAT |
| Cover Attachment Method | SCREW |
| Cover Opening Shape and Quantity | 1 OBLONG |
| 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 |
|---|---|
| 74803181-9 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 4803181-9 | 5/9 Secondary reference Kalmar AC Inc |
NSN 5975-00-433-5983 is a Cover,junction Box, manufactured by Kalmar AC Inc, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-433-5983 has 1 manufacturer part number on file: 74803181-9 (Kalmar AC Inc).
Key specifications for 74803181-9: Cover Mounting Hole Quantity: 2; Style Designator: RAISED OFFSET MOUNTING HOLES; Mounting Hole Diameter: 0.190 INCHES NOMINAL IN; Outside Diameter: 3.500 INCHES NOMINAL IN. 7 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.