The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-281-5613, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Dept of the Army U S Army Electronics Command Night Vision Laboratory. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-281-5613 |
| Primary Part Number | 5003581 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Dept of the Army U S Army Electronics Command Night Vision Laboratory |
| Status | ACTIVE |
| Head Height | 0.063 INCHES NOMINAL IN |
| Fastener Length | 0.350 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-13924 CL4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.160 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 1 TYPE AND 9S STYLE |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.190 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.212 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 |
|---|---|
| 5003581 PRIMARY | Dept of the Army U S Army Electronics Command Night Vision Laboratory (USA) |
| Reference | Meaning |
|---|---|
| 5003581 | 5/9 Secondary reference Bell and Howell Co Beg/mig Micro Imagery Group |
NSN 5305-01-281-5613 is a Screw,externally Relieved Body, manufactured by Dept of the Army U S Army Electronics Command Night Vision Laboratory, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-281-5613 has 1 manufacturer part number on file: 5003581 (Dept of the Army U S Army Electronics Command Night Vision Laboratory).
Key specifications for 5003581: Head Height: 0.063 INCHES NOMINAL IN; Fastener Length: 0.350 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-13924 CL4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.160 INCHES NOMINAL IN. 21 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.