The Holder,screw,adjusting, cataloged under National Stock Number 5820-01-221-4386, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5820-01-221-4386 |
| Item Name | Holder,screw,adjusting |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Status | ACTIVE |
| General Characteristics Item Description | ITEM IS SHAPED FROM PIECE OF CORROSION RESISTING STEEL 0.625 IN. H,0.435 IN. DEEP,2.0 IN. LG; RAISED CENTER 0.875 IN. LG HAS THREADED THROUGH HOLE FRONT TO BACK 10-24 UNC-3B AND TWO THREADED HOLES ON TOP 0.112 IN. DIA,40 UNC-3B,0.250 IN. DEEP; 0.250 THICK EXTENSIONS ON EITHER SIDE OF RAISED CENTER HAVE 0.218 IN. DIA THROUGH HOLE EACH; RAISED CENTER CUT BACK TO 0.312 IN. DEEP AND HAS SLOT IN BASE 0.093 IN. DEEP,0.280 TO 0.270 IN. WIDE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 424534-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5820-01-221-4386 is a Holder,screw,adjusting, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-653-1522. Verify interchangeability with system specifications before substitution.
Key specifications for 5820-01-221-4386: General Characteristics Item Description: ITEM IS SHAPED FROM PIECE OF CORROSION RESISTING STEEL 0.625 IN. H,0.435 IN. DEEP,2.0 IN. LG; RAISED CENTER 0.875 IN. LG HAS THREADED THROUGH HOLE FRONT TO BACK 10-24 UNC-3B AND TWO THREADED HOLES ON TOP 0.112 IN. DIA,40 UNC-3B,0.250 IN. DEEP; 0.250 THICK EXTENSIONS ON EITHER SIDE OF RAISED CENTER HAVE 0.218 IN. DIA THROUGH HOLE EACH; RAISED CENTER CUT BACK TO 0.312 IN. DEEP AND HAS SLOT IN BASE 0.093 IN. DEEP,0.280 TO 0.270 IN. WIDE IN. 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.