PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21714Shaft,shouldered

Safe Flight Instrument, Llc · NSN 3040-00-753-0543 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-753-0543 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-753-0543. Primary manufacturer part number: 21714.
Features
  • Shaft,shouldered — FSC 3040
  • End Similarity: NOT IDENTICAL
  • First End Style: FLATTED
  • 1 verified cross-reference
  • Primary manufacturer: Safe Flight Instrument, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-753-0543, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Safe Flight Instrument, Llc. Government technical data includes 2 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-753-0543
Primary Part Number21714
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerSafe Flight Instrument, Llc
StatusACTIVE
End SimilarityNOT IDENTICAL
First End StyleFLATTED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5331-00-286-9835S8171-4 INTERCHANGEABLE
O-Ring
Honeywell International Inc. Div Aerospace - Torrance
3040-00-706-4463 INTERCHANGEABLE
Hub,body
4330-00-774-851199114986 INTERCHANGEABLE
Ring,friction
Alfa Laval Inc
4330-01-211-949721714 INTERCHANGEABLE
Filter,fluid
Cummins Inc.
4140-01-235-1590 INTERCHANGEABLE
Impeller,fan,centrifugal
5340-01-675-446721714 INTERCHANGEABLE
Bumper
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Cross-Reference Index
Part NumberManufacturer
21714 PRIMARY Safe Flight Instrument, Llc (USA)
Related Parts
5331-00-286-9835INTERCHANGEABLE
O-RING
S8171-4
3040-00-706-4463INTERCHANGEABLE
HUB,BODY
4330-00-774-8511INTERCHANGEABLE
RING,FRICTION
99114986
4330-01-211-9497INTERCHANGEABLE
FILTER,FLUID
21714
4140-01-235-1590INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
5340-01-675-4467INTERCHANGEABLE
BUMPER
21714

Frequently Asked Questions

What is NSN 3040-00-753-0543?

NSN 3040-00-753-0543 is a Shaft,shouldered, manufactured by Safe Flight Instrument, Llc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-753-0543?

NSN 3040-00-753-0543 has 1 cross-referenced part number: 21714 (Safe Flight Instrument, Llc).

What NSN replaces 3040-00-753-0543?

There are 6 known substitutes for 3040-00-753-0543: 5331-00-286-9835, 3040-00-706-4463, 4330-00-774-8511 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21714?

Key specifications for 21714: End Similarity: NOT IDENTICAL; First End Style: FLATTED. 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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