PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7703Sealing Machine

Weldotron Corp · NSN 3540-00-006-2921 · FSC 3540 · No Item Name Available
Verified by PartsTable
NSN 3540-00-006-2921 — this item is cataloged by the U.S. Government under National Stock Number 3540-00-006-2921. Primary manufacturer part number: 7703.
Features
  • Sealing Machine — FSC 3540
  • 1 verified cross-reference
  • Primary manufacturer: Weldotron Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sealing Machine, cataloged under National Stock Number 3540-00-006-2921, is classified within Federal Supply Class 3540 (No Item Name Available) of the Service and Trade Equipment group. The primary manufacturer of record is Weldotron Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3540-00-006-2921
Primary Part Number7703
Item NameSealing Machine
FSC / FSG3540 / 35 — No Item Name Available
ManufacturerWeldotron Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2815-00-175-73217703-001 INTERCHANGEABLE
Guide,valve
Cooper Machinery Services Llc
2825-00-175-88647703 INTERCHANGEABLE
Shaft Assembly
Westinghouse Electric Corp
3455-00-243-9488A814-45R INTERCHANGEABLE
Cutter,milling,angle
F & D Tool Co Inc
4820-00-272-3346 INTERCHANGEABLE
Cock,drain
5342-00-489-3456770-3 INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5945-00-549-9355 INTERCHANGEABLE
Relay Subassembly
5133-00-839-5469 INTERCHANGEABLE
Drill,twist
5962-01-176-0395 INTERCHANGEABLE
Microcircuit,memory
6210-01-459-140077643 INTERCHANGEABLE
Light,warning
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
9310-01-608-49857703 INTERCHANGEABLE
Paper,cover
3 Star Papers Ltd Dba Limited Papers Div Limited Papers
Cross-Reference Index
Part NumberManufacturer
7703 Weldotron Corp (USA)
Related Parts
2815-00-175-7321INTERCHANGEABLE
GUIDE,VALVE
7703-001
2825-00-175-8864INTERCHANGEABLE
SHAFT ASSEMBLY
7703
3455-00-243-9488INTERCHANGEABLE
CUTTER,MILLING,ANGLE
A814-45R
4820-00-272-3346INTERCHANGEABLE
COCK,DRAIN
5342-00-489-3456INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
770-3
5945-00-549-9355INTERCHANGEABLE
RELAY SUBASSEMBLY
5133-00-839-5469INTERCHANGEABLE
DRILL,TWIST
5962-01-176-0395INTERCHANGEABLE
MICROCIRCUIT,MEMORY
6210-01-459-1400INTERCHANGEABLE
LIGHT,WARNING
77643
9310-01-608-4985INTERCHANGEABLE
PAPER,COVER
7703
5998-01-626-1701INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5930-01-664-6448INTERCHANGEABLE
SWITCH,ELECTRONIC

Frequently Asked Questions

What is NSN 3540-00-006-2921?

NSN 3540-00-006-2921 is a Sealing Machine, manufactured by Weldotron Corp, classified under FSC 3540 (No Item Name Available). Status: active.

What are the part numbers for NSN 3540-00-006-2921?

NSN 3540-00-006-2921 has 1 cross-referenced part number: 7703 (Weldotron Corp).

What NSN replaces 3540-00-006-2921?

There are 12 known substitutes for 3540-00-006-2921: 2815-00-175-7321, 2825-00-175-8864, 3455-00-243-9488 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7703?

Key specifications for 7703: Special Features: THERMOPAK;STEEL, 100.000 BTU PER HOUR, 110 V 60 CYCLE, 1 AMP, OVERALL DIMENSIONS 13.000 IN. LG, 9.000 IN. W, 30.000 IN. H V. 1 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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