The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-490-5057, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ems Technologies Inc Div Defense & Space Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Ems Technologies Inc Div Defense & Space Systems (CAGE 31395) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-490-5057 |
| Primary Part Number | 180238-24 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ems Technologies Inc Div Defense & Space Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 180238-24 PRIMARY | Ems Technologies Inc Div Defense & Space Systems (USA) |
| Reference | Meaning |
|---|---|
| 180238 | D/9 Drawing number reference only Ems Technologies Inc Div Defense & Space Systems |
NSN 5305-01-490-5057 is a Screw,externally Relieved Body, manufactured by Ems Technologies Inc Div Defense & Space Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-490-5057 has 1 manufacturer part number on file: 180238-24 (Ems Technologies Inc Div Defense & Space Systems).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-490-5064. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). 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.