The Screw,lag, cataloged under National Stock Number 5305-01-662-2422, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-662-2422 |
| Primary Part Number | 4223456 |
| Item Name | Screw,lag |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.5 INCHES IN |
| Head Height | 0.298 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Fastener Length | 3.88 INCHES MINIMUM AND 4.12 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | F-100,D60 TYPE 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Nonmachine Thread Style | CONE POINT (TYPE BP) |
| Material Document and Classification | ASTM 307 GRADE A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | HEXAGON |
| Width Between Flats | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Surface Treatment | PLASTIC AND ZINC OVERALL |
| 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 |
|---|---|
| 4223456 PRIMARY | Oshkosh Defense Llc (USA) |
NSN 5305-01-662-2422 is a Screw,lag, manufactured by Oshkosh Defense Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-662-2422 has 1 manufacturer part number on file: 4223456 (Oshkosh Defense Llc).
Key specifications for 4223456: Nonmachine Nominal Thread Diameter: 0.5 INCHES IN; Head Height: 0.298 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Fastener Length: 3.88 INCHES MINIMUM AND 4.12 INCHES MAXIMUM IN; Surface Treatment Document and Classification: F-100,D60 TYPE 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 10 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.