PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-187799Shaft,shouldered

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3040-00-623-3316 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-623-3316 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-623-3316. Primary manufacturer part number: SM-B-187799.
Features
  • Shaft,shouldered — FSC 3040
  • Step Quantity: 15
  • Second End Style: INTERNAL THREADED
  • End Similarity: NOT IDENTICAL
  • First End Diameter: 0.1250 INCHES NOMINAL IN
  • Second End Internal Thread Length: 0.5000 INCHES NOMINAL IN
  • First End Style: PLAIN
  • Largest Step Diameter: 0.1875 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 303 construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-623-3316, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3040-00-623-3316
Primary Part NumberSM-B-187799
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusCANCELLED
Step Quantity15
Second End StyleINTERNAL THREADED
End SimilarityNOT IDENTICAL
First End Diameter0.1250 INCHES NOMINAL IN
Second End Internal Thread Length0.5000 INCHES NOMINAL IN
First End StylePLAIN
Largest Step Diameter0.1875 INCHES NOMINAL IN
MaterialSTEEL COMP 303
Surface Finish63.0 MICROINCHES
Second End Diameter0.1875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-176-6271 INTERCHANGEABLE
Nut,self-Locking,hexagon
5120-00-246-4747 INTERCHANGEABLE
Caps,vise Jaw
1040-00-525-048510330 INTERCHANGEABLE
Tank Assy
L3harris Technologies, Inc. Div Space and Airborne Systems
3030-00-529-0469 INTERCHANGEABLE
Belt,v
3020-00-826-61921225949-1 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5133-01-023-1554 INTERCHANGEABLE
Drill,twist
2930-01-054-534110330 INTERCHANGEABLE
Cap,filler Opening
Stant Mfg Co Inc
5950-01-079-8210 INTERCHANGEABLE
Coil,radio Frequency
3695-01-176-4317201383 INTERCHANGEABLE
Air Jet Assembly
Econoline Mfg Inc
5331-01-215-7134A-30512-78 INTERCHANGEABLE
O-Ring
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
Cross-Reference Index
Part NumberManufacturer
SM-B-187799 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
407LX Burke Products Inc (USA)
10330 Freund Precision Inc (USA)
59820 Kleinschmidt Inc (USA)
Related Parts
5310-00-176-6271INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5120-00-246-4747INTERCHANGEABLE
CAPS,VISE JAW
1040-00-525-0485INTERCHANGEABLE
TANK ASSY
10330
3030-00-529-0469INTERCHANGEABLE
BELT,V
3020-00-826-6192INTERCHANGEABLE
GEAR,SPUR
1225949-1
5133-01-023-1554INTERCHANGEABLE
DRILL,TWIST
2930-01-054-5341INTERCHANGEABLE
CAP,FILLER OPENING
10330
5950-01-079-8210INTERCHANGEABLE
COIL,RADIO FREQUENCY
3695-01-176-4317INTERCHANGEABLE
AIR JET ASSEMBLY
201383
5331-01-215-7134INTERCHANGEABLE
O-RING
A-30512-78
6145-01-292-5231INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
MIS-20054/17-001
5331-01-416-2984INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 3040-00-623-3316?

NSN 3040-00-623-3316 is a Shaft,shouldered, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 3040 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3040-00-623-3316?

NSN 3040-00-623-3316 has 4 cross-referenced part numbers: SM-B-187799 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 407LX (Burke Products Inc), 10330 (Freund Precision Inc), 59820 (Kleinschmidt Inc).

What NSN replaces 3040-00-623-3316?

There are 12 known substitutes for 3040-00-623-3316: 5310-00-176-6271, 5120-00-246-4747, 1040-00-525-0485 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-B-187799?

Key specifications for SM-B-187799: Step Quantity: 15; Second End Style: INTERNAL THREADED; End Similarity: NOT IDENTICAL; First End Diameter: 0.1250 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-623-3316 still in active supply?

NSN 3040-00-623-3316 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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