The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-450-5972, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-450-5972 |
| Primary Part Number | 368624-4 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Point Diameter | 0.175 INCHES NOMINAL IN |
| Head Height | 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN |
| Point Length | 0.187 INCHES NOMINAL IN |
| Fastener Length | 1.359 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM |
| First Diameter From Head | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.495 INCHES MINIMUM AND 0.505 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 |
|---|---|
| 368624-4 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| 6116-SS-2528 | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| Reference | Meaning |
|---|---|
| 6116-SS-2528 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
NSN 5305-01-450-5972 is a Screw,externally Relieved Body, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-450-5972 has 2 manufacturer part numbers on file: 368624-4 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 6116-SS-2528 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware).
Key specifications for 368624-4: Point Diameter: 0.175 INCHES NOMINAL IN; Head Height: 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN; Point Length: 0.187 INCHES NOMINAL IN; Fastener Length: 1.359 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN. 22 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.