PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7520-00-139-3743Box,filing

Sourceamerica · NSN 7520-00-139-3743 · FSC 7520 · No Item Name Available
Verified by PartsTable
Features
  • Box,filing — FSC 7520
  • Surface Treatment: ENAMEL INSIDE
  • Assembly Method: WELDED
  • Inside Width: 8.062 INCHES MINIMUM IN
  • Inside Height: 5.500 INCHES MINIMUM IN
  • Inside Depth: 5.000 INCHES MINIMUM IN
  • Exterior Color: BEIGE, FED STD 595, 22563
  • Interior Color: BEIGE, FED STD 595, 22563
Applications
  • Applications requiring Steel Comp 1008 or Steel Comp 1009 or Steel Comp 1015 or Steel Comp 1018 or Steel Comp 1020 or Steel Location Not Otherwise Specified construction
General Description

The Box,filing, cataloged under National Stock Number 7520-00-139-3743, is classified within Federal Supply Class 7520 (No Item Name Available) of the Office Supplies and Devices group. The primary manufacturer of record is Sourceamerica. Government technical data includes 12 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN7520-00-139-3743
Primary Part Number7520-00-139-3743
Item NameBox,filing
FSC / FSG7520 / 75 — No Item Name Available
ManufacturerSourceamerica
StatusACTIVE
Surface TreatmentENAMEL INSIDE
Assembly MethodWELDED
Inside Width8.062 INCHES MINIMUM IN
Inside Height5.500 INCHES MINIMUM IN
Inside Depth5.000 INCHES MINIMUM IN
Exterior ColorBEIGE, FED STD 595, 22563
Interior ColorBEIGE, FED STD 595, 22563
Surface TreatmentENAMEL OUTSIDE
Style DesignatorINDEX CARD FILE
MaterialSTEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL LOCATION NOT OTHERWISE SPECIFIED
Material Document and ClassificationQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
Closure MethodHINGED COVER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
7520-00-139-3719 INTERCHANGEABLE
Box,filing
7520-00-139-37347520-00-139-3734 INTERCHANGEABLE
Box,filing
Sourceamerica
7520-00-240-48307520-00-240-4830 INTERCHANGEABLE
Box,filing
Sourceamerica
7520-00-240-48317520-00-240-4831 INTERCHANGEABLE
Box,filing
Sourceamerica
7520-00-240-48397520-00-240-4839 INTERCHANGEABLE
Box,filing
Sourceamerica
7520-00-721-9324 INTERCHANGEABLE
Box,filing
Cross-Reference Index
Part NumberManufacturer
7520-00-139-3743 PRIMARY Sourceamerica (USA)
A-A-110 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA-B-605 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
7520-00-139-3719INTERCHANGEABLE
BOX,FILING
7520-00-139-3734INTERCHANGEABLE
BOX,FILING
7520-00-139-3734
7520-00-240-4830INTERCHANGEABLE
BOX,FILING
7520-00-240-4830
7520-00-240-4831INTERCHANGEABLE
BOX,FILING
7520-00-240-4831
7520-00-240-4839INTERCHANGEABLE
BOX,FILING
7520-00-240-4839
7520-00-721-9324INTERCHANGEABLE
BOX,FILING

Frequently Asked Questions

What is NSN 7520-00-139-3743?

NSN 7520-00-139-3743 is a Box,filing, manufactured by Sourceamerica, classified under FSC 7520 (No Item Name Available). Status: active.

What are the part numbers for NSN 7520-00-139-3743?

NSN 7520-00-139-3743 has 3 cross-referenced part numbers: 7520-00-139-3743 (Sourceamerica), A-A-110 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA-B-605 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 7520-00-139-3743?

There are 6 known substitutes for 7520-00-139-3743: 7520-00-139-3719, 7520-00-139-3734, 7520-00-240-4830 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7520-00-139-3743?

Key specifications for 7520-00-139-3743: Surface Treatment: ENAMEL INSIDE; Assembly Method: WELDED; Inside Width: 8.062 INCHES MINIMUM IN; Inside Height: 5.500 INCHES MINIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

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