PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PS20-70Lumber,softwood,board

National Bureau of Standards · NSN 5510-00-551-9673 · FSC 5510 · No Item Name Available
Verified by PartsTable
NSN 5510-00-551-9673 — this item is cataloged by the U.S. Government under National Stock Number 5510-00-551-9673. Primary manufacturer part number: PS20-70.
Features
  • Lumber,softwood,board — FSC 5510
  • Specification/standard Data: 81348-MM-L-751 GOVERNMENT SPECIFICATION
  • Width-Location and Measuring Method: 8.000 INCHES NOMINAL OVERALL SPECIFIED IN
  • Species-Grade and Grading Association: ANY ACCEPTABLE C SELECT NORTHEASTERN LUMBER MANUFACTURERS ASSOCIATION OR ANY ACCEPTABLE C AND BETTER SELECT NORTHERN HARDWOOD AND PINE MANUFACTURERS ASSOCIATION OR ANY ACCEPTABLE C AND BETTER FINISH WEST COAST LUMBER INSPECTION BUREAU OR ANY ACCEPTABLE C SELECT WESTERN WOOD PRODUCTS ASSOCIATION OR ANY ACCEPTABLE SUPERIOR FINISH WESTERN WOOD PRODUCTS ASSOCIATION OR CEDAR, WESTERN A FINISH WEST COAST LUMBER INSPECTION BUREAU OR PINE, IDAHO WHITE CHOICE WESTERN WOOD PRODUCTS ASSOCIATION OR PINE, SOUTHERN C FINISH SOUTHERN PINE INSPECTION BUREAU OR REDWOOD CLEAR REDWOOD INSPECTION SERVICE
  • Supplementary Features: SEE RULEBOOK FOR ACTUAL OF SELECTED GRADES,UNIT OF ISSUE-BF
  • Surface Condition Degree: SURFACED FOUR SIDES
  • Nondefinitive Spec/std Data: 1 TABLE
  • Measuring Method and Length: 4.000 FEET MINIMUM RANDOM FT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lumber,softwood,board, cataloged under National Stock Number 5510-00-551-9673, 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 4 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
NSN5510-00-551-9673
Primary Part NumberPS20-70
Item NameLumber,softwood,board
FSC / FSG5510 / 55 — No Item Name Available
ManufacturerNational Bureau of Standards
StatusCANCELLED
Specification/standard Data81348-MM-L-751 GOVERNMENT SPECIFICATION
Width-Location and Measuring Method8.000 INCHES NOMINAL OVERALL SPECIFIED IN
Species-Grade and Grading AssociationANY ACCEPTABLE C SELECT NORTHEASTERN LUMBER MANUFACTURERS ASSOCIATION OR ANY ACCEPTABLE C AND BETTER SELECT NORTHERN HARDWOOD AND PINE MANUFACTURERS ASSOCIATION OR ANY ACCEPTABLE C AND BETTER FINISH WEST COAST LUMBER INSPECTION BUREAU OR ANY ACCEPTABLE C SELECT WESTERN WOOD PRODUCTS ASSOCIATION OR ANY ACCEPTABLE SUPERIOR FINISH WESTERN WOOD PRODUCTS ASSOCIATION OR CEDAR, WESTERN A FINISH WEST COAST LUMBER INSPECTION BUREAU OR PINE, IDAHO WHITE CHOICE WESTERN WOOD PRODUCTS ASSOCIATION OR PINE, SOUTHERN C FINISH SOUTHERN PINE INSPECTION BUREAU OR REDWOOD CLEAR REDWOOD INSPECTION SERVICE
Supplementary FeaturesSEE RULEBOOK FOR ACTUAL OF SELECTED GRADES,UNIT OF ISSUE-BF
Surface Condition DegreeSURFACED FOUR SIDES
Nondefinitive Spec/std Data1 TABLE
Measuring Method and Length4.000 FEET MINIMUM RANDOM FT
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
Typical Wood Products UseHIGH QUALITY FINISH INTERIOR TRIM, CABINET WORK, CASING, BASEBOARD, DOOR AND WINDOW TRIM
Moisture Content Retention Percentage15.0 MAXIMUM
Thickness-Location and Measuring Method2.000 INCHES NOMINAL OVERALL SPECIFIED IN
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
6635-00-357-4611 INTERCHANGEABLE
Testing Machine,tension
5510-00-363-3186 INTERCHANGEABLE
Lumber,softwood,board
5510-00-363-3196 INTERCHANGEABLE
Lumber,softwood,board
5510-00-363-3211 INTERCHANGEABLE
Lumber,softwood,board
5510-00-551-9729 INTERCHANGEABLE
Lumber,softwood,dimension
Cross-Reference Index
Part NumberManufacturer
PS20-70 National Bureau of Standards (USA)
PS 20 American Lumber Standard Committee Inc (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
6635-00-357-4611INTERCHANGEABLE
TESTING MACHINE,TENSION
5510-00-363-3186INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-363-3196INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-363-3211INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-551-9729INTERCHANGEABLE
LUMBER,SOFTWOOD,DIMENSION
5510-00-962-7415INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-995-7476INTERCHANGEABLE
LUMBER,SOFTWOOD,DECKING

Frequently Asked Questions

What is NSN 5510-00-551-9673?

NSN 5510-00-551-9673 is a Lumber,softwood,board, manufactured by National Bureau of Standards, classified under FSC 5510 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5510-00-551-9673?

NSN 5510-00-551-9673 has 4 cross-referenced part numbers: PS20-70 (National Bureau of Standards), PS 20 (American Lumber Standard Committee Inc), MM-L-751 (Federal Specifications Promulgated by General Services Administration Washington DC), PS 20-05 (American Lumber Standard Committee Inc).

What NSN replaces 5510-00-551-9673?

There are 12 known substitutes for 5510-00-551-9673: 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: Specification/standard Data: 81348-MM-L-751 GOVERNMENT SPECIFICATION; Width-Location and Measuring Method: 8.000 INCHES NOMINAL OVERALL SPECIFIED IN; Species-Grade and Grading Association: ANY ACCEPTABLE C SELECT NORTHEASTERN LUMBER MANUFACTURERS ASSOCIATION OR ANY ACCEPTABLE C AND BETTER SELECT NORTHERN HARDWOOD AND PINE MANUFACTURERS ASSOCIATION OR ANY ACCEPTABLE C AND BETTER FINISH WEST COAST LUMBER INSPECTION BUREAU OR ANY ACCEPTABLE C SELECT WESTERN WOOD PRODUCTS ASSOCIATION OR ANY ACCEPTABLE SUPERIOR FINISH WESTERN WOOD PRODUCTS ASSOCIATION OR CEDAR, WESTERN A FINISH WEST COAST LUMBER INSPECTION BUREAU OR PINE, IDAHO WHITE CHOICE WESTERN WOOD PRODUCTS ASSOCIATION OR PINE, SOUTHERN C FINISH SOUTHERN PINE INSPECTION BUREAU OR REDWOOD CLEAR REDWOOD INSPECTION SERVICE; Supplementary Features: SEE RULEBOOK FOR ACTUAL OF SELECTED GRADES,UNIT OF ISSUE-BF. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5510-00-551-9673 still in active supply?

NSN 5510-00-551-9673 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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