The Screw,machine, cataloged under National Stock Number 5305-00-102-4558, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ems Development Corporation. Government technical data includes 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-102-4558 |
| Primary Part Number | 386D0100-110 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ems Development Corporation |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM AND CHROMATE |
| Fastener Length | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Thread Length | 0.097 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Designator | AS MODIFIED BY SELF-LOCKING ELEMENT IN THREADS |
| Nondefinitive Spec/std Data | 3 TYPE AND 3C STYLE |
| Locking Feature | STRIP |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.249 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| 386D0100-110 | Ems Development Corporation (USA) |
| Reference | Meaning |
|---|---|
| LK21093-0618 | 5/9 Secondary reference Torkon Fastener Corp |
| FFS92 | 4/1 Identification reference U.S. Government activity |
| MS21093-0618 | 5/9 Secondary reference U.S. Government activity |
| MS21093-0618 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-102-4558 is a Screw,machine, manufactured by Ems Development Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-102-4558 has 1 manufacturer part number on file: 386D0100-110 (Ems Development Corporation).
Key specifications for 386D0100-110: Screw Surface Treatment: CADMIUM AND CHROMATE; Fastener Length: 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Thread Length: 0.097 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.138 INCHES IN. 17 specifications are documented in the U.S. Government catalog.
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.