PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12344Shaft,straight

Napco International Llc Dba Napco International Inc · NSN 3040-00-371-6728 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-371-6728 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-371-6728. Primary manufacturer part number: 12344.
Features
  • Shaft,straight — FSC 3040
  • First End Distance From Hole Center to End: 0.375 INCHES NOMINAL IN
  • Material: STEEL
  • First End Diameter: 1.0000 INCHES NOMINAL IN
  • End Similarity: IDENTICAL
  • First End Style: UNTHREADED CROSS DRILLED
  • First End Hole Diameter: 0.5080 INCHES NOMINAL IN
  • First End Hole Depth: 1.000 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Shaft,straight, cataloged under National Stock Number 3040-00-371-6728, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3040-00-371-6728
Primary Part Number12344
Item NameShaft,straight
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusCANCELLED
First End Distance From Hole Center to End0.375 INCHES NOMINAL IN
MaterialSTEEL
First End Diameter1.0000 INCHES NOMINAL IN
End SimilarityIDENTICAL
First End StyleUNTHREADED CROSS DRILLED
First End Hole Diameter0.5080 INCHES NOMINAL IN
First End Hole Depth1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5310-00-225-6865123-0044 INTERCHANGEABLE
Nut,plain,hexagon
Avionics Specialties, Inc.
5133-00-228-1397 INTERCHANGEABLE
Drill,twist
4730-00-535-4191 INTERCHANGEABLE
Orifice,gun
7310-00-834-448530442 INTERCHANGEABLE
Pan,steam Table
The Vollrath Company, L.l.c. Div Vollrath
5120-01-299-4672 INTERCHANGEABLE
Socket,socket Wrench
5325-01-311-6943 INTERCHANGEABLE
Ring,retaining
3040-01-347-789712344 INTERCHANGEABLE
Shaft,straight
DP Manufacturing Inc.
5130-01-367-8455 INTERCHANGEABLE
Riveter,yoke,pneumatic
5340-01-488-119512344 INTERCHANGEABLE
Clamp,loop
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
3010-01-642-2263 INTERCHANGEABLE
Drive Unit,angle
Cross-Reference Index
Part NumberManufacturer
12344 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
T12344 Napco International Llc Dba Napco International Inc (USA)
12344 PRIMARY Napco International Llc Dba Napco International Inc (USA)
Related Parts
5310-00-225-6865INTERCHANGEABLE
NUT,PLAIN,HEXAGON
123-0044
5133-00-228-1397INTERCHANGEABLE
DRILL,TWIST
4730-00-535-4191INTERCHANGEABLE
ORIFICE,GUN
7310-00-834-4485INTERCHANGEABLE
PAN,STEAM TABLE
30442
5120-01-299-4672INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5325-01-311-6943INTERCHANGEABLE
RING,RETAINING
3040-01-347-7897INTERCHANGEABLE
SHAFT,STRAIGHT
12344
5130-01-367-8455INTERCHANGEABLE
RIVETER,YOKE,PNEUMATIC
5340-01-488-1195INTERCHANGEABLE
CLAMP,LOOP
12344
3010-01-642-2263INTERCHANGEABLE
DRIVE UNIT,ANGLE

Frequently Asked Questions

What is NSN 3040-00-371-6728?

NSN 3040-00-371-6728 is a Shaft,straight, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 3040 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3040-00-371-6728?

NSN 3040-00-371-6728 has 3 cross-referenced part numbers: 12344 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), T12344 (Napco International Llc Dba Napco International Inc), 12344 (Napco International Llc Dba Napco International Inc).

What NSN replaces 3040-00-371-6728?

There are 10 known substitutes for 3040-00-371-6728: 5310-00-225-6865, 5133-00-228-1397, 4730-00-535-4191 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12344?

Key specifications for 12344: Special Features: ONE END HAS 0.625 IN.DIA EXPANSION PLUG,COUNTERBORE ON BOTH ENDS 0.105 IN. DEEP IN; First End Distance From Hole Center to End: 0.375 INCHES NOMINAL IN; Material: STEEL; First End Diameter: 1.0000 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-371-6728 still in active supply?

NSN 3040-00-371-6728 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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