PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

641-US2GCatch,clamping

Emhart Industries Inc Hardware Div · NSN 5340-00-677-1601 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-677-1601 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-677-1601. Primary manufacturer part number: 641-US2G.
Features
  • Catch,clamping — FSC 5340
  • Style Designator: LEVER
  • Material: COPPER ALLOY OVERALL
  • Surface Treatment: LACQUER OVERALL
  • Design Type: LOOP ENGAGING
  • Catch Strike Style: MORTISE
  • Surface Hole Quantity: 2
  • Engaging Surface Thickness: 0.156 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Catch,clamping, cataloged under National Stock Number 5340-00-677-1601, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Emhart Industries Inc Hardware Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-677-1601
Primary Part Number641-US2G
Item NameCatch,clamping
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerEmhart Industries Inc Hardware Div
StatusACTIVE
Style DesignatorLEVER
MaterialCOPPER ALLOY OVERALL
Surface TreatmentLACQUER OVERALL
Design TypeLOOP ENGAGING
Catch Strike StyleMORTISE
Surface Hole Quantity2
Engaging Surface Thickness0.156 INCHES NOMINAL IN
Engaging Surface Width0.938 INCHES NOMINAL IN
Height0.422 INCHES NOMINAL IN
Tongue Width0.938 INCHES NOMINAL IN
Surface Hole Diameter0.203 INCHES NOMINAL IN
Tongue Length0.328 INCHES NOMINAL IN
Operation MethodLEVER
Hole Quantity3
Width1.031 INCHES NOMINAL IN
Material Thickness0.078 INCHES NOMINAL IN
Hole Diameter0.219 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5340-00-329-26959024777 SUCCESSOR
Strike,catch
Us Army Aviation and Missile Command
5340-00-205-515215641 INTERCHANGEABLE
Catch,clamping
Smith-Berger Marine, Inc
Cross-Reference Index
Part NumberManufacturer
641-US2G PRIMARY Emhart Industries Inc Hardware Div (USA)
015641D Emhart Industries Inc Hardware Div (USA)
Related Parts
5340-00-329-2695SUCCESSOR
STRIKE,CATCH
9024777
5340-00-205-5152INTERCHANGEABLE
CATCH,CLAMPING
15641

Frequently Asked Questions

What is NSN 5340-00-677-1601?

NSN 5340-00-677-1601 is a Catch,clamping, manufactured by Emhart Industries Inc Hardware Div, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-677-1601?

NSN 5340-00-677-1601 has 2 cross-referenced part numbers: 641-US2G (Emhart Industries Inc Hardware Div), 015641D (Emhart Industries Inc Hardware Div).

What NSN replaces 5340-00-677-1601?

There are 2 known substitutes for 5340-00-677-1601: 5340-00-329-2695, 5340-00-205-5152. Verify interchangeability with system specifications before substitution.

What are the specifications of 641-US2G?

Key specifications for 641-US2G: Style Designator: LEVER; Material: COPPER ALLOY OVERALL; Surface Treatment: LACQUER OVERALL; Design Type: LOOP ENGAGING. 20 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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