PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4X4 IN. DOUGLAS FIRLumber,softwood,dimension

Arlington Woodworking and Lumber Co Inc · NSN 5510-00-220-6178 · FSC 5510 · No Item Name Available
Verified by PartsTable
NSN 5510-00-220-6178 — this item is cataloged by the U.S. Government under National Stock Number 5510-00-220-6178. Primary manufacturer part number: 4X4 IN. DOUGLAS FIR.
Features
  • Lumber,softwood,dimension — FSC 5510
  • Random Length: 8 FT AND LONGER WITH A MAX OF 5 PCT TO BE 8-9 FT AND MIN OF 50 PCT 14 FT AND LONGER FT
  • Width-Location and Measuring Method: 4.000 INCHES NOMINAL OVERALL SPECIFIED IN
  • Nondefinitive Spec/std Data: 3 TABLE
  • Supplementary Features: UNIT OF ISSUE-BF
  • Typical Wood Products Use: HIGH QUALITY CONSTRUCTION AND INDUSTRIAL USES, HEAVY FRAMING AND DECKING
  • Measuring Method and Length: 8.000 FEET MINIMUM RANDOM FT
  • Thickness-Location and Measuring Method: 4.000 INCHES NOMINAL OVERALL SPECIFIED IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lumber,softwood,dimension, cataloged under National Stock Number 5510-00-220-6178, 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 Arlington Woodworking and Lumber Co Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN5510-00-220-6178
Primary Part Number4X4 IN. DOUGLAS FIR
Item NameLumber,softwood,dimension
FSC / FSG5510 / 55 — No Item Name Available
ManufacturerArlington Woodworking and Lumber Co Inc
StatusCANCELLED
Random Length8 FT AND LONGER WITH A MAX OF 5 PCT TO BE 8-9 FT AND MIN OF 50 PCT 14 FT AND LONGER FT
Width-Location and Measuring Method4.000 INCHES NOMINAL OVERALL SPECIFIED IN
Nondefinitive Spec/std Data3 TABLE
Supplementary FeaturesUNIT OF ISSUE-BF
Typical Wood Products UseHIGH QUALITY CONSTRUCTION AND INDUSTRIAL USES, HEAVY FRAMING AND DECKING
Measuring Method and Length8.000 FEET MINIMUM RANDOM FT
Thickness-Location and Measuring Method4.000 INCHES NOMINAL OVERALL SPECIFIED IN
Surface Condition DegreeSURFACED FOUR SIDES
Specification/standard Data81348-MM-L-751 GOVERNMENT SPECIFICATION
Species-Grade and Grading AssociationANY ACCEPTABLE CONSTRUCTION NORTHERN HARDWOOD AND PINE MANUFACTURERS ASSOCIATION OR ANY ACCEPTABLE CONSTRUCTION WEST COAST LUMBER INSPECTION BUREAU OR ANY ACCEPTABLE CONSTRUCTION WESTERN WOOD PRODUCTS ASSOCIATION OR PINE, SOUTHERN NO. 1 SOUTHERN PINE INSPECTION BUREAU OR PINE, SOUTHERN CONSTRUCTION SOUTHERN PINE INSPECTION BUREAU OR REDWOOD NO. 1 REDWOOD INSPECTION SERVICE OR REDWOOD CONSTRUCTION REDWOOD INSPECTION SERVICE
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
5510-00-363-3186 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
5510-00-551-9729 INTERCHANGEABLE
Lumber,softwood,dimension
5510-00-962-7415 INTERCHANGEABLE
Lumber,softwood,board
Cross-Reference Index
Part NumberManufacturer
4X4 IN. DOUGLAS FIR Arlington Woodworking and Lumber Co Inc (USA)
MML751GRADE1-4X 4 Zf Industrieantriebe Witten Gmbh (DEU)
MM751GRADE1-4X4 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MM-L-751 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
PS20-70 National Bureau of Standards (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
5510-00-363-3186INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-363-3196INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-363-3211INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-551-9673INTERCHANGEABLE
LUMBER,SOFTWOOD,BOARD
5510-00-551-9729INTERCHANGEABLE
LUMBER,SOFTWOOD,DIMENSION
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 5510-00-220-6178?

NSN 5510-00-220-6178 is a Lumber,softwood,dimension, manufactured by Arlington Woodworking and Lumber Co Inc, classified under FSC 5510 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5510-00-220-6178?

NSN 5510-00-220-6178 has 6 cross-referenced part numbers: 4X4 IN. DOUGLAS FIR (Arlington Woodworking and Lumber Co Inc), MML751GRADE1-4X 4 (Zf Industrieantriebe Witten Gmbh), MM751GRADE1-4X4 (Federal Specifications Promulgated by General Services Administration Washington DC), MM-L-751 (Federal Specifications Promulgated by General Services Administration Washington DC), PS20-70 (National Bureau of Standards) and 1 more.

What NSN replaces 5510-00-220-6178?

There are 12 known substitutes for 5510-00-220-6178: 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 4X4 IN. DOUGLAS FIR?

Key specifications for 4X4 IN. DOUGLAS FIR: Random Length: 8 FT AND LONGER WITH A MAX OF 5 PCT TO BE 8-9 FT AND MIN OF 50 PCT 14 FT AND LONGER FT; Width-Location and Measuring Method: 4.000 INCHES NOMINAL OVERALL SPECIFIED IN; Nondefinitive Spec/std Data: 3 TABLE; Supplementary Features: UNIT OF ISSUE-BF. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5510-00-220-6178 still in active supply?

NSN 5510-00-220-6178 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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