PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6-51414-2Coupling Half,clamp,grooved

The Boeing Company Div Legacy Wichita · NSN 5342-01-477-2929 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-01-477-2929 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-477-2929. Primary manufacturer part number: 6-51414-2.
Features
  • Coupling Half,clamp,grooved — FSC 5342
  • 4 verified cross-references
  • Primary manufacturer: The Boeing Company Div Legacy Wichita
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Coupling Half,clamp,grooved, cataloged under National Stock Number 5342-01-477-2929, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Legacy Wichita. This item has 4 commercial cross-references from 3 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 NameCoupling Half,clamp,grooved
FSC / FSG5342 — Mount,resilient,weapon System (FSG 53)
ManufacturersApex Engineering Inc (CAGE 07QY4); The Boeing Company Div Legacy Wichita (CAGE 82918); The Boeing Company Div Defense (CAGE 81205)
Technical Specifications
ParameterValue
NSN5342-01-477-2929
Primary Part Number6-51414-2
Item NameCoupling Half,clamp,grooved
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerThe Boeing Company Div Legacy Wichita
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5841-00-090-634553-745 INTERCHANGEABLE
Cam Plate Asy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
4820-00-319-5668255584PC13DLRNQA INTERCHANGEABLE
Seat,valve
Huntington Ingalls Inc Div Newport News Shipbuilding
4820-00-319-5669255584PC14 INTERCHANGEABLE
Seat,valve
Huntington Ingalls Inc Div Newport News Shipbuilding
5895-01-007-95803902323 INTERCHANGEABLE
Decoder,pulse
Raytheon Company Dba Raytheon
4820-01-263-3108255584 PIECE 27 INTERCHANGEABLE
Seat,valve
Huntington Ingalls Inc Div Newport News Shipbuilding
Cross-Reference Index
Part NumberManufacturer
6-51414-2 Apex Engineering Inc (USA)
6-51414 The Boeing Company Div Legacy Wichita (USA)
25-5584 The Boeing Company Div Defense (USA)
6-51414-2 PRIMARY The Boeing Company Div Legacy Wichita (USA)
Related Parts
5841-00-090-6345INTERCHANGEABLE
CAM PLATE ASY
53-745
4820-00-319-5668INTERCHANGEABLE
SEAT,VALVE
255584PC13DLRNQA
4820-00-319-5669INTERCHANGEABLE
SEAT,VALVE
255584PC14
5895-01-007-9580INTERCHANGEABLE
DECODER,PULSE
3902323
4820-01-263-3108INTERCHANGEABLE
SEAT,VALVE
255584 PIECE 27

Frequently Asked Questions

What is NSN 5342-01-477-2929?

NSN 5342-01-477-2929 is a Coupling Half,clamp,grooved, manufactured by The Boeing Company Div Legacy Wichita, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-01-477-2929?

NSN 5342-01-477-2929 has 4 cross-referenced part numbers: 6-51414-2 (Apex Engineering Inc), 6-51414 (The Boeing Company Div Legacy Wichita), 25-5584 (The Boeing Company Div Defense), 6-51414-2 (The Boeing Company Div Legacy Wichita).

What NSN replaces 5342-01-477-2929?

There are 5 known substitutes for 5342-01-477-2929: 5841-00-090-6345, 4820-00-319-5668, 4820-00-319-5669 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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