The Screw Assembly,panel, cataloged under National Stock Number 5305-00-855-1216, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Aimtron Systems, Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-855-1216 |
| Primary Part Number | 10271-18 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Aimtron Systems, Llc |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 1.125 INCHES NOMINAL IN |
| Material Accommodated Thickness | 0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | KNURLED NO. 4 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.562 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 |
|---|---|
| 10271-18 | Aimtron Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10271-18 | 5/9 Secondary reference Cardion Inc |
| 012-0015-100 | C/1 Advisory reference — outside the item-of-supply concept Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 51-11-412-24 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-855-1216 is a Screw Assembly,panel, manufactured by Aimtron Systems, Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-855-1216 has 1 manufacturer part number on file: 10271-18 (Aimtron Systems, Llc).
Key specifications for 10271-18: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 1.125 INCHES NOMINAL IN; Material Accommodated Thickness: 0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN; Thread Length: 0.375 INCHES NOMINAL IN. 14 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.