PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8478A41H01Clamp,synchro

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5340-01-174-8444 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-174-8444 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-174-8444. Primary manufacturer part number: 8478A41H01.
Features
  • Clamp,synchro — FSC 5340
  • Length: 0.315 INCHES NOMINAL IN
  • Height: 0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
  • Hole Diameter: 0.126 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE
  • Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
  • Width: 0.375 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Clamp,synchro, cataloged under National Stock Number 5340-01-174-8444, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-174-8444
Primary Part Number8478A41H01
Item NameClamp,synchro
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusCANCELLED
Length0.315 INCHES NOMINAL IN
Height0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Hole Diameter0.126 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE
Material Document and ClassificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
Width0.375 INCHES NOMINAL IN
MaterialSTEEL COMP 303
Furnished ItemsLOCKNUT
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5340-00-610-5044 (L2-1)
HAZMATNo
Unit of IssueEA
Verified Substitutes 6
5340-00-610-5044L2-1 SUCCESSOR
Clamp,synchro
Roller Bearing Co of America, Inc Div Pic Design
2940-00-141-9025 INTERCHANGEABLE
Filter Element,fluid
3120-00-218-4177L21 INTERCHANGEABLE
Bearing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
6695-00-256-7943L2-1 INTERCHANGEABLE
Meter Movement
Phaostron Instrument and Electronic Company
2940-00-382-8003L21 INTERCHANGEABLE
Line
Honeywell International Inc Dba Honeywell Div Consumer Products Group
4320-01-327-60572904700 INTERCHANGEABLE
Impeller,pump,centrifugal
W S Darley & Co Div Darley Pump Division
Cross-Reference Index
Part NumberManufacturer
L2-1 Raytheon Company (USA)
8478A41H01 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
L2-1 Designatronics Incorporated Div Sterling Instruments Div (USA)
Related Parts
SUCCESSOR 5340-00-610-5044 Clamp,synchro · L2-1
2940-00-141-9025INTERCHANGEABLE
FILTER ELEMENT,FLUID
3120-00-218-4177INTERCHANGEABLE
BEARING,SLEEVE
L21
6695-00-256-7943INTERCHANGEABLE
METER MOVEMENT
L2-1
2940-00-382-8003INTERCHANGEABLE
LINE
L21
4320-01-327-6057INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
2904700

Frequently Asked Questions

What is NSN 5340-01-174-8444?

NSN 5340-01-174-8444 is a Clamp,synchro, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-01-174-8444?

NSN 5340-01-174-8444 has 3 cross-referenced part numbers: L2-1 (Raytheon Company), 8478A41H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), L2-1 (Designatronics Incorporated Div Sterling Instruments Div).

What NSN replaces 5340-01-174-8444?

There are 6 known substitutes for 5340-01-174-8444: 5340-00-610-5044, 2940-00-141-9025, 3120-00-218-4177 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8478A41H01?

Key specifications for 8478A41H01: Length: 0.315 INCHES NOMINAL IN; Height: 0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Hole Diameter: 0.126 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-01-174-8444 still in active supply?

NSN 5340-01-174-8444 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.
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