The Screw,tapping, cataloged under National Stock Number 5305-00-129-9428, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Danfoss 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-129-9428 |
| Primary Part Number | 29556-1 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Danfoss Inc |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.250 INCHES IN |
| Head Height | 0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Head Style | FILLISTER |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Material | STEEL OVERALL |
| Head Diameter | 0.389 INCHES MINIMUM AND 0.414 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 |
|---|---|
| 29556-1 PRIMARY | Danfoss Inc (USA) |
| Reference | Meaning |
|---|---|
| 29556-1 | 5/9 Secondary reference Danfoss Fluid Power Inc Racine Opn |
NSN 5305-00-129-9428 is a Screw,tapping, manufactured by Danfoss Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-129-9428 has 1 manufacturer part number on file: 29556-1 (Danfoss Inc).
Key specifications for 29556-1: Nonmachine Nominal Thread Diameter: 0.250 INCHES IN; Head Height: 0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN; Fastener Length: 0.625 INCHES NOMINAL IN; Head Style: FILLISTER. 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.