PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

240Snap Hook

Buckles International, Inc. · NSN 5340-00-993-8578 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-993-8578 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-993-8578. Primary manufacturer part number: 240.
Features
  • Snap Hook — FSC 5340
  • End Connection Style: OPEN EYE
  • Material: IRON MALLEABLE HOOK
  • Unattached Ring: NOT INCLUDED
  • Hook Style Designator: SLIDING BOLT
  • Rubber Covered Feature: NOT INCLUDED
  • Inside Diameter: 0.500 INCHES NOMINAL IN
  • End Position: CONNECTION END IN SAME PLANE AS HOOK END
Applications
  • Applications requiring Iron Malleable Hook construction
General Description

The Snap Hook, cataloged under National Stock Number 5340-00-993-8578, 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 8 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-993-8578
Primary Part Number240
Item NameSnap Hook
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerBuckles International, Inc.
StatusACTIVE
End Connection StyleOPEN EYE
MaterialIRON MALLEABLE HOOK
Unattached RingNOT INCLUDED
Hook Style DesignatorSLIDING BOLT
Rubber Covered FeatureNOT INCLUDED
Inside Diameter0.500 INCHES NOMINAL IN
End PositionCONNECTION END IN SAME PLANE AS HOOK END
Design TypeFIXED
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5306-00-207-2735 (111L122-18)
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
5306-00-207-2735111L122-18 SUCCESSOR
Bolt,eye
General Electric Company
Motor,alternating Current
6140-00-446-68751535656 SUCCESSOR
Battery,storage
Caterpillar Inc Div Caterpillar Defense
Cap-Plug,protective,dust and Moi
5340-00-755-37039183740 SUCCESSOR
Boot,dust and Moisture Seal
Us Army Aviation and Missile Command
Bolt,machine
6515-01-366-9769240 SUCCESSOR
Band,circling
Mira Inc
5306-01-596-391925C75HCS8Y SUCCESSOR
Bolt,machine
Southern California Gold Products, Inc. Dba Southern California Gold Products Inc
Cross-Reference Index
Part NumberManufacturer
240 Worthington George Co the (USA)
240 PRIMARY Buckles International, Inc. (USA)
Related Parts
SUCCESSOR 5306-00-207-2735 Bolt,eye · 111L122-18
6105-00-406-0472SUCCESSOR
MOTOR,ALTERNATING CURRENT
6140-00-446-6875SUCCESSOR
BATTERY,STORAGE
1535656
5340-00-597-4490SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
5340-00-755-3703SUCCESSOR
BOOT,DUST AND MOISTURE SEAL
9183740
5306-01-288-6367SUCCESSOR
BOLT,MACHINE
6515-01-366-9769SUCCESSOR
BAND,CIRCLING
240
5306-01-596-3919SUCCESSOR
BOLT,MACHINE
25C75HCS8Y

Frequently Asked Questions

What is NSN 5340-00-993-8578?

NSN 5340-00-993-8578 is a Snap Hook, manufactured by Buckles International, Inc., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-993-8578?

NSN 5340-00-993-8578 has 2 cross-referenced part numbers: 240 (Worthington George Co the), 240 (Buckles International, Inc.).

What NSN replaces 5340-00-993-8578?

There are 8 known substitutes for 5340-00-993-8578: 5306-00-207-2735, 6105-00-406-0472, 6140-00-446-6875 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 240?

Key specifications for 240: End Item Identification: SUPPORTEQUIPMENTB-1AIRCRAFT;MISSILEMINUTEMANLGM-30; End Connection Style: OPEN EYE; Material: IRON MALLEABLE HOOK; Unattached Ring: NOT INCLUDED. 10 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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