PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C78121/22-25Shaft,shouldered

Grimsleys House of Tools Inc · NSN 3040-01-292-1589 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-292-1589 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-292-1589. Primary manufacturer part number: C78121/22-25.
Features
  • Shaft,shouldered — FSC 3040
  • 4 verified cross-references
  • Primary manufacturer: Grimsleys House of Tools Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-292-1589, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Grimsleys House of Tools Inc. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-292-1589
Primary Part NumberC78121/22-25
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerGrimsleys House of Tools Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-035-7493HL1853PC25 INTERCHANGEABLE
Strip,spring,valve
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5331-00-198-6183 INTERCHANGEABLE
O-Ring
3610-01-272-1686PC-7 INTERCHANGEABLE
Copying Machine,per
Canon U S a Inc Micrographics Div
4710-01-428-1694PC25 INTERCHANGEABLE
Tube,metallic
Enerpac Tool Group Corp
Cross-Reference Index
Part NumberManufacturer
C78121/22-25 Grimsleys House of Tools Inc (USA)
MARK I AND II PC 25 Short Thomas a Co (USA)
PC 25 Short Thomas a Co (USA)
C78121-25 Short Thomas a Co (USA)
Related Parts
5360-00-035-7493INTERCHANGEABLE
STRIP,SPRING,VALVE
HL1853PC25
5331-00-198-6183INTERCHANGEABLE
O-RING
3610-01-272-1686INTERCHANGEABLE
COPYING MACHINE,PER
PC-7
4710-01-428-1694INTERCHANGEABLE
TUBE,METALLIC
PC25

Frequently Asked Questions

What is NSN 3040-01-292-1589?

NSN 3040-01-292-1589 is a Shaft,shouldered, manufactured by Grimsleys House of Tools Inc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-292-1589?

NSN 3040-01-292-1589 has 4 cross-referenced part numbers: C78121/22-25 (Grimsleys House of Tools Inc), MARK I AND II PC 25 (Short Thomas a Co), PC 25 (Short Thomas a Co), C78121-25 (Short Thomas a Co).

What NSN replaces 3040-01-292-1589?

There are 4 known substitutes for 3040-01-292-1589: 5360-00-035-7493, 5331-00-198-6183, 3610-01-272-1686 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C78121/22-25?

Key specifications for C78121/22-25: End Item Identification: 3450-01-287-9387. 1 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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