The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-407-2774, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-407-2774 |
| Primary Part Number | 056628 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Head Height | 0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Fastener Length | 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35, TY II FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.292 INCHES MINIMUM AND 0.313 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 |
|---|---|
| 056628 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
NSN 5305-01-407-2774 is a Screw,externally Relieved Body, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-407-2774 has 1 manufacturer part number on file: 056628 (L3 Technologies, Inc. Div L3 Keo).
Key specifications for 056628: Head Height: 0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Fastener Length: 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35, TY II FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN. 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.