The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-082-1373, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hensoldt Sensors Gmbh. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-082-1373 |
| Primary Part Number | 321861-15 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hensoldt Sensors Gmbh |
| Status | ACTIVE |
| Head Height | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Fastener Length | 0.349 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Thread Length | 0.156 INCHES NOMINAL IN |
| First Diameter From Head | 0.081 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.224 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.205 INCHES MINIMUM AND 0.219 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 |
|---|---|
| 321861-15 | Hensoldt Sensors Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 321861-15 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-082-1373 is a Screw,externally Relieved Body, manufactured by Hensoldt Sensors Gmbh, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-082-1373 has 1 manufacturer part number on file: 321861-15 (Hensoldt Sensors Gmbh).
Key specifications for 321861-15: Head Height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Fastener Length: 0.349 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Thread Length: 0.156 INCHES NOMINAL IN; First Diameter From Head: 0.081 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN. 16 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.