PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

29K73Sewing Machine,industrial

Singer Co the · NSN 3520-00-684-4341 · FSC 3520 · No Item Name Available
Verified by PartsTable
NSN 3520-00-684-4341 — this item is cataloged by the U.S. Government under National Stock Number 3520-00-684-4341. Primary manufacturer part number: 29K73.
Features
  • Sewing Machine,industrial — FSC 3520
  • Needle Type: SINGLE
  • Stitch Type: LOCK
  • Drive Type: TREADLE
  • Nondefinitive Spec/std Data: 5 CLASS AND 301 TYPE
  • Departure From Cited Designator: AS MODIFIEDBY RIGHT OF NEEDLE WORKING SPACE
  • Stand Design: RIGID
  • Right of Needle Working Space: 12.250 INCHES MINIMUM AND 18.500 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sewing Machine,industrial, cataloged under National Stock Number 3520-00-684-4341, is classified within Federal Supply Class 3520 (No Item Name Available) of the Service and Trade Equipment group. The primary manufacturer of record is Singer Co the. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3520-00-684-4341
Primary Part Number29K73
Item NameSewing Machine,industrial
FSC / FSG3520 / 35 — No Item Name Available
ManufacturerSinger Co the
StatusCANCELLED
Needle TypeSINGLE
Stitch TypeLOCK
Drive TypeTREADLE
Nondefinitive Spec/std Data5 CLASS AND 301 TYPE
Departure From Cited DesignatorAS MODIFIEDBY RIGHT OF NEEDLE WORKING SPACE
Stand DesignRIGID
Right of Needle Working Space12.250 INCHES MINIMUM AND 18.500 INCHES MAXIMUM IN
Table Mounting TypeNONSUBMERGED
Furnished ItemsDRAWER AND TABLE STAND
Feed Mechanism DesignSTYLE O, UNIVERSAL UPPER
Assembly FormCOMPLETE
Sewing Type for Which DesignedSHOE PATCHING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3530-00-287-8218 INTERCHANGEABLE
Sewing Machine,industrial
3520-00-836-040029S171 INTERCHANGEABLE
Sewing Machine,industrial
Singer Industrial Sewing Products Co Cutters Exchange Div
3530-00-892-4633227R-2 INTERCHANGEABLE
Sewing Machine,industrial
Consolidated Sewing Machine Corp
3530-00-892-4640207 INTERCHANGEABLE
Sewing Machine,industrial
Consolidated Sewing Machine Corp
3530-01-182-8565 INTERCHANGEABLE
Sewing Machine,industrial
Cross-Reference Index
Part NumberManufacturer
29K73 Singer Co the (USA)
OO-S-256/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
3530-00-287-8218INTERCHANGEABLE
SEWING MACHINE,INDUSTRIAL
3520-00-836-0400INTERCHANGEABLE
SEWING MACHINE,INDUSTRIAL
29S171
3530-00-892-4633INTERCHANGEABLE
SEWING MACHINE,INDUSTRIAL
227R-2
3530-00-892-4640INTERCHANGEABLE
SEWING MACHINE,INDUSTRIAL
207
3530-01-182-8565INTERCHANGEABLE
SEWING MACHINE,INDUSTRIAL

Frequently Asked Questions

What is NSN 3520-00-684-4341?

NSN 3520-00-684-4341 is a Sewing Machine,industrial, manufactured by Singer Co the, classified under FSC 3520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3520-00-684-4341?

NSN 3520-00-684-4341 has 2 cross-referenced part numbers: 29K73 (Singer Co the), OO-S-256/3 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 3520-00-684-4341?

There are 5 known substitutes for 3520-00-684-4341: 3530-00-287-8218, 3520-00-836-0400, 3530-00-892-4633 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 29K73?

Key specifications for 29K73: Needle Type: SINGLE; Stitch Type: LOCK; Drive Type: TREADLE; Nondefinitive Spec/std Data: 5 CLASS AND 301 TYPE. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3520-00-684-4341 still in active supply?

NSN 3520-00-684-4341 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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