The Screw,machine, cataloged under National Stock Number 5305-00-934-9841, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-934-9841 |
| Primary Part Number | HT111AR7-15 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 1.577 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN |
| Screw Material Document and Classification | MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.630 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 431 |
| Minimum Tensile Strength | 215000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.626 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | AMS 2401 ASSN STD SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| HT111AR7-15 PRIMARY | Hi-Shear Corporation (USA) |
| HT111P7-15 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HT111-7P15 | C/1 Advisory reference — outside the item-of-supply concept Hi-Shear Industries Inc |
NSN 5305-00-934-9841 is a Screw,machine, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-934-9841 has 2 manufacturer part numbers on file: HT111AR7-15 (Hi-Shear Corporation), HT111P7-15 (Hi-Shear Corporation).
Key specifications for HT111AR7-15: Screw Surface Treatment: CADMIUM; Fastener Length: 1.577 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN; Screw Material Document and Classification: MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.630 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN. 17 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.