The Screw,tapping, cataloged under National Stock Number 5305-01-313-0281, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ppm Cranes Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-313-0281 |
| Primary Part Number | 20Z254D1 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ppm Cranes Inc |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.250 INCHES IN |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Nonmachine Thread Style | THRU SLOT (TYPE D) |
| Head Style | PAN NO. 2 |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | SLOT |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 20Z254D1 PRIMARY | Ppm Cranes Inc (USA) |
| Reference | Meaning |
|---|---|
| 20Z254D1 | 5/9 Secondary reference Morris Material Handling, Inc. |
NSN 5305-01-313-0281 is a Screw,tapping, manufactured by Ppm Cranes Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-313-0281 has 1 manufacturer part number on file: 20Z254D1 (Ppm Cranes Inc).
Key specifications for 20Z254D1: Nonmachine Nominal Thread Diameter: 0.250 INCHES IN; Fastener Length: 0.625 INCHES NOMINAL IN; Nonmachine Thread Style: THRU SLOT (TYPE D); Head Style: PAN NO. 2. 7 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.