PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81AShaft,shouldered

Psg California, Llc Div Dover Corporation · NSN 3040-01-191-8371 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-191-8371 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-191-8371. Primary manufacturer part number: 81A.
Features
  • Shaft,shouldered — FSC 3040
  • End Similarity: IDENTICAL
  • Step Quantity: 3
  • First End Style: INTERNAL THREADED
  • 1 verified cross-reference
  • Primary manufacturer: Psg California, Llc Div Dover Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-191-8371, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Psg California, Llc Div Dover Corporation. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-191-8371
Primary Part Number81A
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerPsg California, Llc Div Dover Corporation
StatusACTIVE
End SimilarityIDENTICAL
Step Quantity3
First End StyleINTERNAL THREADED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6625-00-239-888181A INTERCHANGEABLE
Adapter,test
Tektronix, Inc.
5935-00-498-00241203 INTERCHANGEABLE
Jack,tip
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5960-00-578-8769 INTERCHANGEABLE
Electron Tube
5345-00-602-6923IND1AMS42 INTERCHANGEABLE
Stone,sharpening
Ohmite Holding, L.l.c.
6625-00-815-83337527399 INTERCHANGEABLE
Adapter,test
Lockheed Martin Corp Naval Electronics & Surveillance Systems
6665-01-048-892381 INTERCHANGEABLE
Probe,radiac
General Microwave Corporation Div Kratos Microwave Electronics
4720-01-449-9834 INTERCHANGEABLE
Hose Assembly,nonmetallic
Cross-Reference Index
Part NumberManufacturer
81A Psg California, Llc Div Dover Corporation (USA)
Related Parts
6625-00-239-8881INTERCHANGEABLE
ADAPTER,TEST
81A
5935-00-498-0024INTERCHANGEABLE
JACK,TIP
1203
5960-00-578-8769INTERCHANGEABLE
ELECTRON TUBE
5345-00-602-6923INTERCHANGEABLE
STONE,SHARPENING
IND1AMS42
6625-00-815-8333INTERCHANGEABLE
ADAPTER,TEST
7527399
6665-01-048-8923INTERCHANGEABLE
PROBE,RADIAC
81
4720-01-449-9834INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC

Frequently Asked Questions

What is NSN 3040-01-191-8371?

NSN 3040-01-191-8371 is a Shaft,shouldered, manufactured by Psg California, Llc Div Dover Corporation, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-191-8371?

NSN 3040-01-191-8371 has 1 cross-referenced part number: 81A (Psg California, Llc Div Dover Corporation).

What NSN replaces 3040-01-191-8371?

There are 7 known substitutes for 3040-01-191-8371: 6625-00-239-8881, 5935-00-498-0024, 5960-00-578-8769 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81A?

Key specifications for 81A: End Similarity: IDENTICAL; Step Quantity: 3; End Item Identification: WILDEN PUMPS MODEL M-2 DOUBLE DIAPHRAGM PUMP; First End Style: INTERNAL THREADED. 4 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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