The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-580-7637, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lindstrom Corporation. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-580-7637 |
| Primary Part Number | FHS1X1020-010M1 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lindstrom Corporation |
| Status | ACTIVE |
| Width Across Flats | 6.0 MILLIMETERS NOMINAL MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 20.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.5 |
| Thread Length | 14.5 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 10.0 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 90.0 DEGREES NOMINAL |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | M |
| Head Diameter | 20.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 92125A333 | Mcmaster-Carr Supply Co (USA) |
| FHS1X1020-010M1 PRIMARY | Lindstrom Corporation (USA) |
| Reference | Meaning |
|---|---|
| 82125A333 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 5305-01-580-7637 is a Screw,cap,socket Head, manufactured by Lindstrom Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-580-7637 has 2 manufacturer part numbers on file: 92125A333 (Mcmaster-Carr Supply Co), FHS1X1020-010M1 (Lindstrom Corporation).
Key specifications for FHS1X1020-010M1: Width Across Flats: 6.0 MILLIMETERS NOMINAL MM; External Thread Tolerance Class: 6G G; Fastener Length: 20.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.5. 13 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.