PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FIG249-0Snap Hook

Buckles International, Inc. · NSN 5340-00-687-3580 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-687-3580 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-687-3580. Primary manufacturer part number: FIG249-0.
Features
  • Snap Hook — FSC 5340
  • Design Type: FIXED
  • Material: COPPER ALLOY CONNECTION END
  • Material: COPPER ALLOY HOOK
  • Unattached Ring: NOT INCLUDED
  • Hook Style Designator: PIVOT
  • Rubber Covered Feature: NOT INCLUDED
  • End Connection Style: ROUND EYE
Applications
  • Applications requiring Copper Alloy Connection End construction
General Description

The Snap Hook, cataloged under National Stock Number 5340-00-687-3580, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Buckles International, Inc.. Government technical data includes 9 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-687-3580
Primary Part NumberFIG249-0
Item NameSnap Hook
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerBuckles International, Inc.
StatusCANCELLED
Design TypeFIXED
MaterialCOPPER ALLOY CONNECTION END
MaterialCOPPER ALLOY HOOK
Unattached RingNOT INCLUDED
Hook Style DesignatorPIVOT
Rubber Covered FeatureNOT INCLUDED
End Connection StyleROUND EYE
Inside Diameter0.375 INCHES NOMINAL IN
End PositionCONNECTION END AT RIGHT ANGLE TO PLANE OF HOOK END
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6540-01-547-5780 (30824-03)
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
No Item Name Available
6540-01-547-578030824-03 SUCCESSOR
Cable Assembly,infared
Iridex Corp
Cross-Reference Index
Part NumberManufacturer
249-0 North and Judd Inc Wilcox-Crittenden Div (USA)
FIG249-0 PRIMARY Buckles International, Inc. (USA)
Related Parts
SUCCESSOR 6540-01-547-5780 Cable Assembly,infared · 30824-03
5340-00-612-6745SUCCESSOR
NO ITEM NAME AVAILABLE

Frequently Asked Questions

What is NSN 5340-00-687-3580?

NSN 5340-00-687-3580 is a Snap Hook, manufactured by Buckles International, Inc., classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-687-3580?

NSN 5340-00-687-3580 has 2 cross-referenced part numbers: 249-0 (North and Judd Inc Wilcox-Crittenden Div), FIG249-0 (Buckles International, Inc.).

What NSN replaces 5340-00-687-3580?

There are 2 known substitutes for 5340-00-687-3580: 5340-00-612-6745, 6540-01-547-5780. Verify interchangeability with system specifications before substitution.

What are the specifications of FIG249-0?

Key specifications for FIG249-0: Design Type: FIXED; Material: COPPER ALLOY CONNECTION END; Material: COPPER ALLOY HOOK; Unattached Ring: NOT INCLUDED. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-687-3580 still in active supply?

NSN 5340-00-687-3580 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.
PartsTable Design LLC · partstable.com