PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PS20-70Lumber,softwood,dimension

National Bureau of Standards · NSN 5510-00-551-9729 · FSC 5510 · No Item Name Available
Verified by PartsTable
NSN 5510-00-551-9729 — this item is cataloged by the U.S. Government under National Stock Number 5510-00-551-9729. Primary manufacturer part number: PS20-70.
Features
  • Lumber,softwood,dimension — FSC 5510
  • Thickness-Location and Measuring Method: 2.000 INCHES NOMINAL OVERALL SPECIFIED IN
  • Specification/standard Data: 81348-MM-L-751 GOVERNMENT SPECIFICATION
  • Surface Condition Degree: SURFACED FOUR SIDES
  • Moisture Content Retention Percentage: 15.0 MAXIMUM
  • Species-Grade and Grading Association: ANY ACCEPTABLE 1 AND 2 CLEAR WESTERN WOOD PRODUCTS ASSOCIATION OR ANY ACCEPTABLE B AND BETTER INDUSTRIAL CLEARS WEST COAST LUMBER INSPECTION BUREAU OR ANY ACCEPTABLE B AND BETTER WESTERN WOOD PRODUCTS ASSOCIATION OR PINE, IDAHO WHITE SUPREME WESTERN WOOD PRODUCTS ASSOCIATION OR PINE, SOUTHERN B AND BETTER FINISH SOUTHERN PINE INSPECTION BUREAU OR REDWOOD CLEAR ALL HEART REDWOOD INSPECTION SERVICE
  • Width-Location and Measuring Method: 8.000 INCHES NOMINAL OVERALL SPECIFIED IN
  • Nondefinitive Spec/std Data: 1 TABLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lumber,softwood,dimension, cataloged under National Stock Number 5510-00-551-9729, is classified within Federal Supply Class 5510 (No Item Name Available) of the Lumber, Millwork, Plywood, and Veneer group. The primary manufacturer of record is National Bureau of Standards. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5510-00-551-9729
Primary Part NumberPS20-70
Item NameLumber,softwood,dimension
FSC / FSG5510 / 55 — No Item Name Available
ManufacturerNational Bureau of Standards
StatusCANCELLED
Thickness-Location and Measuring Method2.000 INCHES NOMINAL OVERALL SPECIFIED IN
Specification/standard Data81348-MM-L-751 GOVERNMENT SPECIFICATION
Surface Condition DegreeSURFACED FOUR SIDES
Moisture Content Retention Percentage15.0 MAXIMUM
Species-Grade and Grading AssociationANY ACCEPTABLE 1 AND 2 CLEAR WESTERN WOOD PRODUCTS ASSOCIATION OR ANY ACCEPTABLE B AND BETTER INDUSTRIAL CLEARS WEST COAST LUMBER INSPECTION BUREAU OR ANY ACCEPTABLE B AND BETTER WESTERN WOOD PRODUCTS ASSOCIATION OR PINE, IDAHO WHITE SUPREME WESTERN WOOD PRODUCTS ASSOCIATION OR PINE, SOUTHERN B AND BETTER FINISH SOUTHERN PINE INSPECTION BUREAU OR REDWOOD CLEAR ALL HEART REDWOOD INSPECTION SERVICE
Width-Location and Measuring Method8.000 INCHES NOMINAL OVERALL SPECIFIED IN
Nondefinitive Spec/std Data1 TABLE
Measuring Method and Length4.000 FEET MINIMUM RANDOM FT
Typical Wood Products UseEXPENSIVE HIGH QUALITY FINISH LUMBER FOR INTERIOR TRIM, DOOR AND WINDOW TRIM AND CABINETS
Supplementary FeaturesUNIT OF ISSUE--BF
Random Length4 FT AND LONGER,WITH A MAX OF 5 PCT TO BE 4-7 FT AND A MIN OF 50 PCT TO BE 12 FT AND LONGER FT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5510-00-220-6084 INTERCHANGEABLE
Lumber,softwood,board
5510-00-220-6146 INTERCHANGEABLE
Lumber,softwood,dimension
5510-00-220-6148 INTERCHANGEABLE
Lumber,softwood,dimension
5510-00-220-6154 INTERCHANGEABLE
Lumber,softwood,dimension
5510-00-220-6178 INTERCHANGEABLE
Lumber,softwood,dimension
5510-00-363-3186 INTERCHANGEABLE
Lumber,softwood,board
5510-00-363-3196 INTERCHANGEABLE
Lumber,softwood,board
5510-00-363-3211 INTERCHANGEABLE
Lumber,softwood,board
5510-00-551-9673 INTERCHANGEABLE
Lumber,softwood,board
5510-00-962-7415 INTERCHANGEABLE
Lumber,softwood,board
Cross-Reference Index
Part NumberManufacturer
PS20-70 National Bureau of Standards (USA)
MM-L-751 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
PS 20-05 American Lumber Standard Committee Inc (USA)
Related Parts
5510-00-220-6084INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-220-6146INTERCHANGEABLE
LUMBER,SOFTWOOD,DIMENSION
5510-00-220-6148INTERCHANGEABLE
LUMBER,SOFTWOOD,DIMENSION
5510-00-220-6154INTERCHANGEABLE
LUMBER,SOFTWOOD,DIMENSION
5510-00-220-6178INTERCHANGEABLE
LUMBER,SOFTWOOD,DIMENSION
5510-00-363-3186INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-363-3196INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-363-3211INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-551-9673INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-962-7415INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-995-7476INTERCHANGEABLE
LUMBER,SOFTWOOD,DECKING
5510-00-995-7489INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD

Frequently Asked Questions

What is NSN 5510-00-551-9729?

NSN 5510-00-551-9729 is a Lumber,softwood,dimension, manufactured by National Bureau of Standards, classified under FSC 5510 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5510-00-551-9729?

NSN 5510-00-551-9729 has 3 cross-referenced part numbers: PS20-70 (National Bureau of Standards), MM-L-751 (Federal Specifications Promulgated by General Services Administration Washington DC), PS 20-05 (American Lumber Standard Committee Inc).

What NSN replaces 5510-00-551-9729?

There are 12 known substitutes for 5510-00-551-9729: 5510-00-220-6084, 5510-00-220-6146, 5510-00-220-6148 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PS20-70?

Key specifications for PS20-70: Thickness-Location and Measuring Method: 2.000 INCHES NOMINAL OVERALL SPECIFIED IN; Specification/standard Data: 81348-MM-L-751 GOVERNMENT SPECIFICATION; Surface Condition Degree: SURFACED FOUR SIDES; Moisture Content Retention Percentage: 15.0 MAXIMUM. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5510-00-551-9729 still in active supply?

NSN 5510-00-551-9729 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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