The Lumber,softwood,dimension, cataloged under National Stock Number 5510-01-570-6526, 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 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5510-01-570-6526 |
| Item Name | Lumber,softwood,dimension |
| FSC / FSG | 5510 / 55 — Lumber and Related Basic Wood Materials |
| Status | ACTIVE |
| Width-Location and Measuring Method | 8.000 INCHES NOMINAL OVERALL SPECIFIED IN |
| Measuring Method and Length | 16.000 FEET NOMINAL SPECIFIED FT |
| Species-Grade and Grading Association | PINE, SOUTHERN NO. 1 SOUTHERN PINE INSPECTION BUREAU AND DOUGLAS FIR NO. 1 WEST COAST LUMBER INSPECTION BUREAU AND DOUGLAS FIR NO. 1 WESTERN WOOD PRODUCTS ASSOCIATION |
| Treatment Type | FIRE RETARDANT, MIL-L-19140 |
| Thickness-Location and Measuring Method | 8.000 INCHES NOMINAL OVERALL SPECIFIED IN |
| 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 |
|---|---|
| PS 20 | 3/1 Design control — primary reference American Lumber Standard Committee Inc |
| MIL-L-751 | 5/9 Secondary reference U.S. Government activity |
NSN 5510-01-570-6526 is a Lumber,softwood,dimension, classified under FSC 5510, Lumber and Related Basic Wood Materials. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5510-01-588-7171, 4730-01-673-8159, 6130-01-687-8155. Verify interchangeability with system specifications before substitution.
Key specifications for 5510-01-570-6526: Width-Location and Measuring Method: 8.000 INCHES NOMINAL OVERALL SPECIFIED IN; Measuring Method and Length: 16.000 FEET NOMINAL SPECIFIED FT; Species-Grade and Grading Association: PINE, SOUTHERN NO. 1 SOUTHERN PINE INSPECTION BUREAU AND DOUGLAS FIR NO. 1 WEST COAST LUMBER INSPECTION BUREAU AND DOUGLAS FIR NO. 1 WESTERN WOOD PRODUCTS ASSOCIATION; Treatment Type: FIRE RETARDANT, MIL-L-19140. 5 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.