The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-044-2119, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-044-2119 |
| Primary Part Number | 6885391 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Extended Washer Thickness | 0.092 INCHES NOMINAL IN |
| Head Height | 0.350 INCHES NOMINAL IN |
| Fastener Length | 0.562 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.740 INCHES NOMINAL IN |
| Thread Length | 0.437 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE GRADE 5 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 6885391 PRIMARY | Rolls-Royce Corporation (USA) |
| 6837714 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6885391 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6837714 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 5305-01-044-2119 is a Screw,cap,hexagon Head, manufactured by Rolls-Royce Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-044-2119 has 2 manufacturer part numbers on file: 6885391 (Rolls-Royce Corporation), 6837714 (Rolls-Royce Corporation).
Key specifications for 6885391: Extended Washer Thickness: 0.092 INCHES NOMINAL IN; Head Height: 0.350 INCHES NOMINAL IN; Fastener Length: 0.562 INCHES NOMINAL IN; Extended Washer Diameter: 0.740 INCHES NOMINAL 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.