The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-166-4526, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Rc Displays Systems. 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 | 5305-01-166-4526 |
| Primary Part Number | 32242-1 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rockwell Collins, Inc. Dba Rc Displays Systems |
| Status | ACTIVE |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-13924,CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.140 INCHES NOMINAL IN |
| First Diameter From Head | 0.099 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.235 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | OXIDE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.442 INCHES MINIMUM AND 0.507 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 |
|---|---|
| 32242-1 PRIMARY | Rockwell Collins, Inc. Dba Rc Displays Systems (USA) |
NSN 5305-01-166-4526 is a Screw,externally Relieved Body, manufactured by Rockwell Collins, Inc. Dba Rc Displays Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-166-4526 has 1 manufacturer part number on file: 32242-1 (Rockwell Collins, Inc. Dba Rc Displays Systems).
Key specifications for 32242-1: Fastener Length: 0.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-13924,CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.140 INCHES NOMINAL IN; First Diameter From Head: 0.099 INCHES MINIMUM AND 0.104 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.