The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-240-8909, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Socket Source, Inc. Dba Socket Source. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-240-8909 |
| Primary Part Number | SHA04C072Z |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Socket Source, Inc. Dba Socket Source |
| Status | ACTIVE |
| Fastener Length | 4.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL 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 |
|---|---|
| SHA04C072Z PRIMARY | The Socket Source, Inc. Dba Socket Source (USA) |
| 90128A569 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| S561-03-0045 | 5/9 Secondary reference Integrated Distribution Systemslimited Partnershipdba Waterous Power Systems |
NSN 5305-01-240-8909 is a Screw,cap,socket Head, manufactured by The Socket Source, Inc. Dba Socket Source, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-240-8909 has 2 manufacturer part numbers on file: SHA04C072Z (The Socket Source, Inc. Dba Socket Source), 90128A569 (Mcmaster-Carr Supply Co).
Key specifications for SHA04C072Z: Fastener Length: 4.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Thread Direction: RIGHT-HAND; Internal Drive Style: HEXAGON. 8 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.