PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

655560Buckle

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5340-00-334-3111 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-334-3111 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-334-3111. Primary manufacturer part number: 655560.
Features
  • Buckle — FSC 5340
  • 2 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Buckle, cataloged under National Stock Number 5340-00-334-3111, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBuckle
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersLockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001)
Technical Specifications
ParameterValue
NSN5340-00-334-3111
Primary Part Number655560
Item NameBuckle
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1680-00-120-0548276604 INTERCHANGEABLE
Retainer,bonnet
Kidde Technologies, Inc Div Kidde Aerospace and Defense
2530-00-618-43332297L142 INTERCHANGEABLE
Block
Meritor Heavy Vehicle Systems, Llc
1280-01-186-1440244790 INTERCHANGEABLE
Stop,pitch
Lockheed Martin Corporation
5365-01-200-3844244790 INTERCHANGEABLE
Shim
Volvo Penta of the Americas Inc
6625-01-207-5026007-146A-PRAE INTERCHANGEABLE
Indicator,synchronization
Tyco Electronics Crompton Instrument
Cross-Reference Index
Part NumberManufacturer
244790 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
655560 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
1680-00-120-0548INTERCHANGEABLE
RETAINER,BONNET
276604
2530-00-618-4333INTERCHANGEABLE
BLOCK
2297L142
1280-01-186-1440INTERCHANGEABLE
STOP,PITCH
244790
5365-01-200-3844INTERCHANGEABLE
SHIM
244790
6625-01-207-5026INTERCHANGEABLE
INDICATOR,SYNCHRONIZATION
007-146A-PRAE

Frequently Asked Questions

What is NSN 5340-00-334-3111?

NSN 5340-00-334-3111 is a Buckle, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-334-3111?

NSN 5340-00-334-3111 has 2 cross-referenced part numbers: 244790 (Lockheed Martin Corporation Div Rms - Mitchel Field), 655560 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5340-00-334-3111?

There are 5 known substitutes for 5340-00-334-3111: 1680-00-120-0548, 2530-00-618-4333, 1280-01-186-1440 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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