The Screw,machine, cataloged under National Stock Number 5305-01-305-9559, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is John Perine Company Inc.. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-305-9559 |
| Primary Part Number | 769893 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | John Perine Company Inc. |
| Status | ACTIVE |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.128 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Locking Feature Material | PLASTIC POLYAMIDE NYLON |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PELLET |
| Screw Material | STEEL CORROSION RESISTING |
| 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 | 0.238 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 769893 PRIMARY | John Perine Company Inc. (USA) |
| Reference | Meaning |
|---|---|
| 769893 | 7/2 Vendor item drawing reference U.S. Government activity |
| 6-32X1/4FHUCPS2A | 5/9 Secondary reference Federal Screw Products, Inc. |
NSN 5305-01-305-9559 is a Screw,machine, manufactured by John Perine Company Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-305-9559 has 1 manufacturer part number on file: 769893 (John Perine Company Inc.).
Key specifications for 769893: Screw Surface Treatment: PASSIVATE; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.128 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Locking Feature Material: PLASTIC POLYAMIDE NYLON. 15 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.