The Screw Assembly,panel, cataloged under National Stock Number 5305-01-442-1256, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-442-1256 |
| Primary Part Number | 3M869-3C4 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Fastener Length | 0.975 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Accommodated Thickness | 0.267 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN |
| Thread Length | 0.410 INCHES NOMINAL IN |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| Material Document and Classification | ASTMA493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 304 STAND-OFF |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 384 OR STEEL COMP 385 FASTENER |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 SPRING |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| HSG7900-3C4 | Huck International, Inc. Div Huck Products Division (USA) |
| CS3047-3C4 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M869-3C4 PRIMARY | The Boeing Company Div Defense (USA) |
| 3M869-3C4 | Huck International, Inc. Div Huck Products Division (USA) |
| 3M869-3C4 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M869-3C4 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 3M869 | D/9 Drawing number reference only The Boeing Company Div Defense |
| HSG7900-3-C-4 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| HSG7900-3C4 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-442-1256 is a Screw Assembly,panel, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-442-1256 has 6 manufacturer part numbers on file: HSG7900-3C4 (Huck International, Inc. Div Huck Products Division), CS3047-3C4 (Fastener Innovation Technology, Inc. Dba F I T), 3M869-3C4 (The Boeing Company Div Defense), 3M869-3C4 (Huck International, Inc. Div Huck Products Division), 3M869-3C4 (Fastener Innovation Technology, Inc. Dba F I T) and 1 more.
Key specifications for 3M869-3C4: Head Height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Fastener Length: 0.975 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Accommodated Thickness: 0.267 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN. 20 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.