The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-020-9967, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Stromberg-Carlson Corp a Plessey Telecommunications Co. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-020-9967 |
| Primary Part Number | 666163-233 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Stromberg-Carlson Corp a Plessey Telecommunications Co |
| Status | ACTIVE |
| Head Height | 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Fastener Length | 4.670 INCHES MINIMUM AND 4.690 INCHES MAXIMUM IN |
| Thread Length | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.166 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 4.470 INCHES MINIMUM AND 4.490 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.156 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 3.920 INCHES MINIMUM AND 3.940 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 2 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.312 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 |
|---|---|
| 666163-233 PRIMARY | Stromberg-Carlson Corp a Plessey Telecommunications Co (USA) |
| 666163-233 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
NSN 5305-00-020-9967 is a Screw,externally Relieved Body, manufactured by Stromberg-Carlson Corp a Plessey Telecommunications Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-020-9967 has 2 manufacturer part numbers on file: 666163-233 (Stromberg-Carlson Corp a Plessey Telecommunications Co), 666163-233 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc).
Key specifications for 666163-233: Head Height: 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN; Fastener Length: 4.670 INCHES MINIMUM AND 4.690 INCHES MAXIMUM IN; Thread Length: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 19 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.