The Screw Assembly,panel, cataloged under National Stock Number 5305-01-511-8993, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-511-8993 |
| Primary Part Number | HS4103-10C-4 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Head Height | 0.127 INCHES NOMINAL IN |
| Fastener Length | 0.660 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS-QQ-P-416,TY 2,CL 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Accommodated Thickness | 0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Thread Length | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | AMS-QQ-S-763 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 8740 FASTENER |
| Material | STEEL COMP 304 STAND-OFF |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.360 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 |
|---|---|
| HS4103-10C-4 | Fastener Technology Corp (USA) |
| HS4103-10C-4 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| HS4103-10C-4 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5305-01-511-8993 is a Screw Assembly,panel, manufactured by The Boeing Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-511-8993 has 2 manufacturer part numbers on file: HS4103-10C-4 (Fastener Technology Corp), HS4103-10C-4 (The Boeing Company).
Key specifications for HS4103-10C-4: Head Height: 0.127 INCHES NOMINAL IN; Fastener Length: 0.660 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS-QQ-P-416,TY 2,CL 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Material Accommodated Thickness: 0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN. 18 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.