The Lumber,softwood,board, cataloged under National Stock Number 5510-00-285-6433, is classified within Federal Supply Class 5510 (Lumber and Related Basic Wood Materials) of the Lumber, Millwork, Plywood, and Veneer group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5510-00-285-6433 |
| Item Name | Lumber,softwood,board |
| FSC / FSG | 5510 / 55 — Lumber and Related Basic Wood Materials |
| Status | ACTIVE |
| Width-Location and Measuring Method | 6.000 INCHES NOMINAL OVERALL SPECIFIED IN |
| Measuring Method and Length | 6.000 FEET MINIMUM RANDOM FT |
| Service Usage | LUMBER AND FOR USE ABOVE GROUND |
| Moisture Content Retention Percentage | 19.0 MAXIMUM |
| Species-Grade and Grading Association | ANY ACCEPTABLE 2 COMMON NORTHEASTERN LUMBER MANUFACTURERS ASSOCIATION OR ANY ACCEPTABLE 2 COMMON NORTHERN HARDWOOD AND PINE MANUFACTURERS ASSOCIATION OR ANY ACCEPTABLE 2 COMMON WESTERN WOOD PRODUCTS ASSOCIATION OR ANY ACCEPTABLE CONSTRUCTION WEST COAST LUMBER INSPECTION BUREAU OR ANY ACCEPTABLE CONSTRUCTION WESTERN WOOD PRODUCTS ASSOCIATION OR ANY ACCEPTABLE PREMIUM NORTHEASTERN LUMBER MANUFACTURERS ASSOCIATION OR PINE, IDAHO WHITE STERLING WESTERN WOOD PRODUCTS ASSOCIATION OR PINE, SOUTHERN NO. 1 BOARDS SOUTHERN PINE INSPECTION BUREAU OR REDWOOD SELECT REDWOOD INSPECTION SERVICE |
| Supplementary Features | SEE TT-W-571,TABLE I FOR ACCEPTABLE SPECIES;U/I--BOARD FOOT |
| Specification/standard Data | 81348-MM-L-751 GOVERNMENT SPECIFICATION |
| Treatment Type | PRESERVATIVE, TT-W-571 |
| Nondefinitive Spec/std Data | III TABLE |
| Preservative Solution Type | ACID COPPER CHROMATE OR AMMONIACAL COPPER ARSENITE OR CHROMATED COPPER ARSENATE, TYPE I, II OR III OR CHROMATED ZINC CHLORIDE OR PENTACHLOROPHENOL IN LIGHT PETROLEUM SOLVENT OR PENTACHLOROPHENOL IN VOLATILE SOLVENT |
| Typical Wood Products Use | PRESERVATIVE TREATED SHEATHING, CONCRETE FORMS, SUBFLOORING, BLOCKING AND CRATES FOR CLEANLINESS AND PAINTABILITY |
| Thickness-Location and Measuring Method | 1.000 INCHES NOMINAL OVERALL SPECIFIED IN |
| Surface Condition Degree | SURFACED TWO SIDES AND CENTER MATCHED |
| Random Length | 6 FT AND LONGER W/MAXOF 10 PCT 6-9 FT LONG AND MIN OF 30 PCT 14 FT AND LONGER FT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MM-L-751 | 5/9 Secondary reference U.S. Government activity |
| PS 20-05 | 3/1 Design control — primary reference American Lumber Standard Committee Inc |
NSN 5510-00-285-6433 is a Lumber,softwood,board, classified under FSC 5510, Lumber and Related Basic Wood Materials. Status: active.
Key specifications for 5510-00-285-6433: Width-Location and Measuring Method: 6.000 INCHES NOMINAL OVERALL SPECIFIED IN; Measuring Method and Length: 6.000 FEET MINIMUM RANDOM FT; Service Usage: LUMBER AND FOR USE ABOVE GROUND; Moisture Content Retention Percentage: 19.0 MAXIMUM. 14 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.