PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7-643Guard Assembly

Rogerson Kratos · NSN 6625-01-040-0671 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-040-0671 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-040-0671. Primary manufacturer part number: 7-643.
Features
  • Guard Assembly — FSC 6625
  • 2 verified cross-references
  • Primary manufacturer: Rogerson Kratos
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Guard Assembly, cataloged under National Stock Number 6625-01-040-0671, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Rogerson Kratos. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-040-0671
Primary Part Number7-643
Item NameGuard Assembly
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerRogerson Kratos
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeT
Unit of IssueEA
SMR CodeVT
Weight0.0400 lbs
Cube0.0116 cu ft
Verified Substitutes 4
5998-01-101-2250701021-291 SUCCESSOR
Printed Wiring Board
Dynalec Corporation
5120-00-015-1313 INTERCHANGEABLE
Blade,socket Head Screw Key
5960-00-074-4834 INTERCHANGEABLE
Electron Tube
4730-00-200-0532 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Cross-Reference Index
Part NumberManufacturer
0307-0121 Rogerson Kratos (USA)
7-643 PRIMARY Rogerson Kratos (USA)
Related Parts
5998-01-101-2250SUCCESSOR
PRINTED WIRING BOARD
701021-291
5120-00-015-1313INTERCHANGEABLE
BLADE,SOCKET HEAD SCREW KEY
5960-00-074-4834INTERCHANGEABLE
ELECTRON TUBE
4730-00-200-0532INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE

Frequently Asked Questions

What is NSN 6625-01-040-0671?

NSN 6625-01-040-0671 is a Guard Assembly, manufactured by Rogerson Kratos, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-040-0671?

NSN 6625-01-040-0671 has 2 cross-referenced part numbers: 0307-0121 (Rogerson Kratos), 7-643 (Rogerson Kratos).

What NSN replaces 6625-01-040-0671?

There are 4 known substitutes for 6625-01-040-0671: 5998-01-101-2250, 5120-00-015-1313, 5960-00-074-4834 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7-643?

Key specifications for 7-643: End Item Identification: E3A; End Item Identification: E3A. 2 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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