The Base,mounting,electrical Fitting, cataloged under National Stock Number 5975-01-504-2549, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Johnson Controls Fire Protection Lp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-01-504-2549 |
| Primary Part Number | 4098-9792 |
| Item Name | Base,mounting,electrical Fitting |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Johnson Controls Fire Protection Lp |
| Status | ACTIVE |
| Overall Diameter | 124.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 4098-9792 PRIMARY | Johnson Controls Fire Protection Lp (USA) |
| Reference | Meaning |
|---|---|
| 401-7528488 | D/9 Drawing number reference only Naval Sea Systems Command |
| 401-7528488-ITEM-7 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5975-01-504-2549 is a Base,mounting,electrical Fitting, manufactured by Johnson Controls Fire Protection Lp, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-504-2549 has 1 manufacturer part number on file: 4098-9792 (Johnson Controls Fire Protection Lp).
Key specifications for 4098-9792: Overall Height: 24.0 MILLIMETERS NOMINAL MM; Overall Diameter: 124.0 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: SENSOR BASE, STANDARD; End Item Identification: ALARM SYSFIRE. 1 specification is 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.