The Screw,machine, cataloged under National Stock Number 5305-01-724-9844, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-724-9844 |
| Primary Part Number | 506156 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Fastener Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS 6322 ST NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Criticality Code Justification | FEAT |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | SLOT |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
NSN 5305-01-724-9844 is a Screw,machine, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-724-9844 has 2 manufacturer part numbers on file: 506156 (Rtx Corporation Div Pratt & Whitney), 506156 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 506156: Fastener Length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS 6322 ST NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; Criticality Code Justification: FEAT. 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.