The Screw Assembly,panel, cataloged under National Stock Number 5305-01-101-5626, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-101-5626 |
| Primary Part Number | DRSC7900-4-A-2 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Head Height | 0.068 INCHES NOMINAL IN |
| Fastener Length | 0.410 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Material Accommodated Thickness | 0.188 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Thread Length | 0.094 INCHES NOMINAL IN |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM FASTENER |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| Material Document and Classification | AMS6300 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM STAND-OFF |
| Surface Treatment | CADMIUM FASTENER |
| Surface Treatment | CADMIUM PRIMARY WASHER |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 4037 FASTENER |
| Material | COPPER ALLOY 268 STAND-OFF |
| Material | STEEL COMP 1010 PRIMARY WASHER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| DRSC7900-4-A-2 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| DRSC7900-4-A-2 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc. Div Huck Products Division |
| S-313 | 5/9 Secondary reference U.S. Government activity |
| DRSC7900-4-A-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-101-5626 is a Screw Assembly,panel, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-101-5626 has 1 manufacturer part number on file: DRSC7900-4-A-2 (Howmet Global Fastening Systems Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5930-01-110-7732, 8040-01-351-9042, 2920-01-438-9822. Verify interchangeability with system specifications before substitution.
Key specifications for DRSC7900-4-A-2: Head Height: 0.068 INCHES NOMINAL IN; Fastener Length: 0.410 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL; Material Accommodated Thickness: 0.188 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN. 22 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.