The Screw,machine, cataloged under National Stock Number 5305-00-950-0725, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-950-0725 |
| Primary Part Number | 128CSM10962-11 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 1.031 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN |
| Thread Length | 0.770 INCHES MINIMUM IN |
| Hardness Rating | 27.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP E4340 OR STEEL COMP 4340 |
| Minimum Tensile Strength | 165000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNF |
| Head Diameter | 0.497 INCHES MINIMUM AND 0.507 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 | X |
| Part Number | Manufacturer |
|---|---|
| 128CSM10962-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128CSM10962-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5305-00-950-0725 is a Screw,machine, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-950-0725 has 1 manufacturer part number on file: 128CSM10962-11 (Northrop Grumman Systems Corporation).
Key specifications for 128CSM10962-11: Screw Surface Treatment: CADMIUM; Fastener Length: 1.031 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN; Thread Length: 0.770 INCHES MINIMUM IN; Hardness Rating: 27.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM. 15 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.