The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-514-1349, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Glenair, Inc.. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-514-1349 |
| Primary Part Number | 687-438 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Glenair, Inc. |
| Status | ACTIVE |
| Head Height | 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Fastener Length | 0.545 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN |
| Thread Length | 0.090 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Externally Relieved Body Diameter Quantity | 1 |
| Internal Drive Style | SLOT |
| Thread Quantity Per Inch | 40 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.220 INCHES MINIMUM AND 0.280 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 |
|---|---|
| 687-438 PRIMARY | Glenair, Inc. (USA) |
NSN 5305-01-514-1349 is a Screw,externally Relieved Body, manufactured by Glenair, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-514-1349 has 1 manufacturer part number on file: 687-438 (Glenair, Inc.).
Key specifications for 687-438: Head Height: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN; Fastener Length: 0.545 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN; Thread Length: 0.090 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.112 INCHES IN. 12 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.