The Screw,shoulder, cataloged under National Stock Number 5305-00-399-1990, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is L3harris Interstate Electronics Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-399-1990 |
| Primary Part Number | S2407-607127-36 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | L3harris Interstate Electronics Corporation |
| Status | ACTIVE |
| Head Height | 0.090 INCHES NOMINAL IN |
| Fastener Length | 0.129 INCHES NOMINAL IN |
| Shoulder Length | 0.035 INCHES MINIMUM AND 0.038 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.125 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.094 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-C-586 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.099 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 56 |
| Material | COPPER ALLOY 745 OR COPPER ALLOY 752 OR COPPER ALLOY 764 OR COPPER ALLOY 770 OR COPPER ALLOY 794 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.219 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 |
|---|---|
| S2407-607127-36 | L3harris Interstate Electronics Corporation (USA) |
| Reference | Meaning |
|---|---|
| N302 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-00-399-1990 is a Screw,shoulder, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-399-1990 has 1 manufacturer part number on file: S2407-607127-36 (L3harris Interstate Electronics Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-210-5766. Verify interchangeability with system specifications before substitution.
Key specifications for S2407-607127-36: Head Height: 0.090 INCHES NOMINAL IN; Fastener Length: 0.129 INCHES NOMINAL IN; Shoulder Length: 0.035 INCHES MINIMUM AND 0.038 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.125 INCHES NOMINAL FIRST SHOULDER 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.