PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1623944PC1Shaft,shouldered

Naval Ship Systems Command · NSN 3040-00-770-8380 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-770-8380 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-770-8380. Primary manufacturer part number: 1623944PC1.
Features
  • Shaft,shouldered — FSC 3040
  • First End Diameter: 0.8750 INCHES NOMINAL IN
  • Material: STEEL COMP 303 OR STEEL COMP 304
  • Step Quantity: 3
  • End Similarity: IDENTICAL
  • First End External Thread Length: 1.0625 INCHES NOMINAL IN
  • First End Style: EXTERNAL THREADED
  • Material Document and Classification: ASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE
Applications
  • Applications requiring Steel Comp 303 or Steel Comp 304 construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-770-8380, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN3040-00-770-8380
Primary Part Number1623944PC1
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
First End Diameter0.8750 INCHES NOMINAL IN
MaterialSTEEL COMP 303 OR STEEL COMP 304
Step Quantity3
End SimilarityIDENTICAL
First End External Thread Length1.0625 INCHES NOMINAL IN
First End StyleEXTERNAL THREADED
Material Document and ClassificationASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3040-01-443-756488-11-14 INTERCHANGEABLE
Cam,control
Juniper Elbow Co. Inc. Dba Juniper Elbow Co Inc
2040-01-473-1239805-1623944 PC 13 5-5/16 IN INTERCHANGEABLE
Dog,door,marine
Naval Ship Systems Command
2040-01-498-2581805-1401890 PC 29 INTERCHANGEABLE
Plate Slide Dog Rest
Naval Ship Systems Command
2040-01-499-3088805-1401892 PC 24 INTERCHANGEABLE
Dog Assembly,hatch
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
1623944 Naval Ship Systems Command (USA)
1623944PC1 PRIMARY Naval Ship Systems Command (USA)
805-1623944PC1 Naval Ship Systems Command (USA)
3040PL1337014 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
3040-01-443-7564INTERCHANGEABLE
CAM,CONTROL
88-11-14
2040-01-473-1239INTERCHANGEABLE
DOG,DOOR,MARINE
805-1623944 PC 13 5-5/16 IN
2040-01-498-2581INTERCHANGEABLE
PLATE SLIDE DOG REST
805-1401890 PC 29
2040-01-499-3088INTERCHANGEABLE
DOG ASSEMBLY,HATCH
805-1401892 PC 24

Frequently Asked Questions

What is NSN 3040-00-770-8380?

NSN 3040-00-770-8380 is a Shaft,shouldered, manufactured by Naval Ship Systems Command, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-770-8380?

NSN 3040-00-770-8380 has 4 cross-referenced part numbers: 1623944 (Naval Ship Systems Command), 1623944PC1 (Naval Ship Systems Command), 805-1623944PC1 (Naval Ship Systems Command), 3040PL1337014 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 3040-00-770-8380?

There are 4 known substitutes for 3040-00-770-8380: 3040-01-443-7564, 2040-01-473-1239, 2040-01-498-2581 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1623944PC1?

Key specifications for 1623944PC1: First End Diameter: 0.8750 INCHES NOMINAL IN; Overall Length: 8.562 INCHES NOMINAL IN; Material: STEEL COMP 303 OR STEEL COMP 304; Step Quantity: 3. 9 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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