The Filter,emc, cataloged under National Stock Number 5999-01-558-9502, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hoffman Engineering Co Div of Federal Cartridge Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-558-9502 |
| Primary Part Number | T4EMC |
| Item Name | Filter,emc |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Hoffman Engineering Co Div of Federal Cartridge Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Weight | 0.7000 lbs |
| Cube | 0.0781 cu ft |
| Part Number | Manufacturer |
|---|---|
| 302-8310356 ITEM NO 9 | Naval Sea Systems Command (USA) |
| T4EMC PRIMARY | Hoffman Engineering Co Div of Federal Cartridge Corp (USA) |
NSN 5999-01-558-9502 is a Filter,emc, manufactured by Hoffman Engineering Co Div of Federal Cartridge Corp, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-558-9502 has 2 manufacturer part numbers on file: 302-8310356 ITEM NO 9 (Naval Sea Systems Command), T4EMC (Hoffman Engineering Co Div of Federal Cartridge Corp).
Key specifications for T4EMC: Overall Length: 4.000 INCHES NOMINAL IN; Overall Width: 4.000 INCHES NOMINAL IN; Special Features: UNIT INCLUDES: 1 EA. GRILLE STANDOFF COLLAR, AND 1 EA. SPECIAL EMC SHIELDING GRILLE. THIS UNIT WILL NOT WORK WITH STAINLESS STEEL GRILLE OPTION.; Part Name Assigned by Controlling Agency: EMC, FILTER 4 INCH IN. 0 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.