PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S5101H3235947 PIECE 16Diaphragm Seat

Naval Ship Systems Command · NSN 6680-01-163-1125 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-163-1125 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-163-1125. Primary manufacturer part number: S5101H3235947 PIECE 16.
Features
  • Diaphragm Seat — FSC 6680
  • General Characteristics Item Description: STEEL,QQ-S-633,FS1018
  • 4 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diaphragm Seat, cataloged under National Stock Number 6680-01-163-1125, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-163-1125
Primary Part NumberS5101H3235947 PIECE 16
Item NameDiaphragm Seat
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
General Characteristics Item DescriptionSTEEL,QQ-S-633,FS1018
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-013-8547 INTERCHANGEABLE
Washer,lock
5310-00-095-3412138547 INTERCHANGEABLE
Washer,special
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
3110-00-156-486305851NB INTERCHANGEABLE
Bearing,ball,annular
Cnh Industrial America Llc Dba Cnh America
Cross-Reference Index
Part NumberManufacturer
S5101H3235947 PIECE 16 Naval Ship Systems Command (USA)
N539675 PIECE 16 Rosemount Analytical, Inc. Div Process Analytical Division (USA)
138547 PIECE 16 Rosemount Analytical, Inc. Div Process Analytical Division (USA)
138547 Rosemount Analytical, Inc. Div Process Analytical Division (USA)
Related Parts
5310-00-013-8547INTERCHANGEABLE
WASHER,LOCK
5310-00-095-3412INTERCHANGEABLE
WASHER,SPECIAL
138547
3110-00-156-4863INTERCHANGEABLE
BEARING,BALL,ANNULAR
05851NB

Frequently Asked Questions

What is NSN 6680-01-163-1125?

NSN 6680-01-163-1125 is a Diaphragm Seat, manufactured by Naval Ship Systems Command, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-163-1125?

NSN 6680-01-163-1125 has 4 cross-referenced part numbers: S5101H3235947 PIECE 16 (Naval Ship Systems Command), N539675 PIECE 16 (Rosemount Analytical, Inc. Div Process Analytical Division), 138547 PIECE 16 (Rosemount Analytical, Inc. Div Process Analytical Division), 138547 (Rosemount Analytical, Inc. Div Process Analytical Division).

What NSN replaces 6680-01-163-1125?

There are 3 known substitutes for 6680-01-163-1125: 5310-00-013-8547, 5310-00-095-3412, 3110-00-156-4863. Verify interchangeability with system specifications before substitution.

What are the specifications of S5101H3235947 PIECE 16?

Key specifications for S5101H3235947 PIECE 16: End Item Identification: WESTINGHOUSE FLOW TRANSMITTER W/VARIABLE ELEMENT,MODEL 53N; General Characteristics Item Description: STEEL,QQ-S-633,FS1018. 2 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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