The Screw,machine, cataloged under National Stock Number 5305-01-653-3364, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Technology Corp. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-653-3364 |
| Primary Part Number | FTP7138-8A-4 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Technology Corp |
| Status | ACTIVE |
| Extended Washer Thickness | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Head Height | 0.110 INCHES NOMINAL IN |
| Fastener Length | 0.660 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.315 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.1640 INCHES IN |
| Head Style | ROUND EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 8740 |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNJC |
| Head Diameter | 0.315 INCHES NOMINAL 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 |
|---|---|
| FTP7138-8A-4 PRIMARY | Fastener Technology Corp (USA) |
| Reference | Meaning |
|---|---|
| HS4103-8A-4 | 7/2 Vendor item drawing reference The Boeing Company |
NSN 5305-01-653-3364 is a Screw,machine, manufactured by Fastener Technology Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-653-3364 has 1 manufacturer part number on file: FTP7138-8A-4 (Fastener Technology Corp).
Key specifications for FTP7138-8A-4: Extended Washer Thickness: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN; Head Height: 0.110 INCHES NOMINAL IN; Fastener Length: 0.660 INCHES NOMINAL IN; Extended Washer Diameter: 0.315 INCHES NOMINAL IN. 14 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.