PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N44Key,machine

Circor Naval Solutions Llc Dba Warren Pumps · NSN 5315-00-188-9378 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-188-9378 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-188-9378. Primary manufacturer part number: N44.
Features
  • Key,machine — FSC 5315
  • Starting Edge Shape: STRAIGHT
  • Style Designator: PLAIN
  • Material Document and Classification: MIL-N-894 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: NICKEL ALLOY R-405 OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Applications requiring Nickel Alloy R-405 Overall construction
General Description

The Key,machine, cataloged under National Stock Number 5315-00-188-9378, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 4 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-00-188-9378
Primary Part NumberN44
Item NameKey,machine
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Starting Edge ShapeSTRAIGHT
Style DesignatorPLAIN
Material Document and ClassificationMIL-N-894 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialNICKEL ALLOY R-405 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-139-7492N4-4 INTERCHANGEABLE
Nut,plain,round
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
3220-00-174-1522 INTERCHANGEABLE
Shaper,woodworking
4730-00-189-2729SAE J513 4 010167B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
3220-00-278-9815N44 INTERCHANGEABLE
Shaper,woodworking
Yates-American Machine Co Inc
5999-00-504-6937N44 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
5140-01-095-928409 445 INTERCHANGEABLE
Carrier,tool
Goldblatt Tool Co Sub of Axia Inc
5310-01-613-0125N 44 INTERCHANGEABLE
Nut,self-Locking,hexagon
Skf Usa Inc.
Cross-Reference Index
Part NumberManufacturer
N44 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5310-00-139-7492INTERCHANGEABLE
NUT,PLAIN,ROUND
N4-4
3220-00-174-1522INTERCHANGEABLE
SHAPER,WOODWORKING
4730-00-189-2729INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J513 4 010167B
3220-00-278-9815INTERCHANGEABLE
SHAPER,WOODWORKING
N44
5999-00-504-6937INTERCHANGEABLE
HEATER,THERMAL RELEASE
N44
5140-01-095-9284INTERCHANGEABLE
CARRIER,TOOL
09 445
5310-01-613-0125INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
N 44

Frequently Asked Questions

What is NSN 5315-00-188-9378?

NSN 5315-00-188-9378 is a Key,machine, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-188-9378?

NSN 5315-00-188-9378 has 1 cross-referenced part number: N44 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 5315-00-188-9378?

There are 7 known substitutes for 5315-00-188-9378: 5310-00-139-7492, 3220-00-174-1522, 4730-00-189-2729 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N44?

Key specifications for N44: Starting Edge Shape: STRAIGHT; Style Designator: PLAIN; Overall Width: 0.125 INCHES NOMINAL IN; Overall Length: 0.375 INCHES NOMINAL IN. 7 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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