PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N-57Key,machine

Circor Naval Solutions Llc Dba Warren Pumps · NSN 5315-01-211-0781 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-211-0781 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-211-0781. Primary manufacturer part number: N-57.
Features
  • Key,machine — FSC 5315
  • Material: NICKEL ALLOY 400 OVERALL
  • Style Designator: PLAIN
  • Material Document and Classification: ASTM B164 CL A ASSN STD SINGLE MATERIAL RESPONSE OR J032A FSCM 63857 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Applications requiring Nickel Alloy 400 Overall construction
General Description

The Key,machine, cataloged under National Stock Number 5315-01-211-0781, 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 3 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-01-211-0781
Primary Part NumberN-57
Item NameKey,machine
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialNICKEL ALLOY 400 OVERALL
Style DesignatorPLAIN
Material Document and ClassificationASTM B164 CL A ASSN STD SINGLE MATERIAL RESPONSE OR J032A FSCM 63857 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6140-00-921-3670C18.2M 1.2K4 INTERCHANGEABLE
Battery,storage
Sae International Dba Sae International
3010-00-967-6564N5-7 INTERCHANGEABLE
Coupling,shaft,flexible
Roller Bearing Co of America, Inc Div Pic Design
7690-01-153-7073 INTERCHANGEABLE
Label
4320-01-646-318557-0002 INTERCHANGEABLE
Pump,centrifugal
Zoeller Company Dba Zoeller Pump Company
Cross-Reference Index
Part NumberManufacturer
N-57 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
PL999D0562 PIECE 51 Circor Naval Solutions Llc Dba Warren Pumps (USA)
N57 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
6140-00-921-3670INTERCHANGEABLE
BATTERY,STORAGE
C18.2M 1.2K4
3010-00-967-6564INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
N5-7
7690-01-153-7073INTERCHANGEABLE
LABEL
4320-01-646-3185INTERCHANGEABLE
PUMP,CENTRIFUGAL
57-0002

Frequently Asked Questions

What is NSN 5315-01-211-0781?

NSN 5315-01-211-0781 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 5315-01-211-0781?

NSN 5315-01-211-0781 has 3 cross-referenced part numbers: N-57 (Circor Naval Solutions Llc Dba Warren Pumps), PL999D0562 PIECE 51 (Circor Naval Solutions Llc Dba Warren Pumps), N57 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5315-01-211-0781?

There are 4 known substitutes for 5315-01-211-0781: 6140-00-921-3670, 3010-00-967-6564, 7690-01-153-7073 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N-57?

Key specifications for N-57: Material: NICKEL ALLOY 400 OVERALL; Overall Height: 0.250 INCHES NOMINAL IN; Overall Length: 4.250 INCHES NOMINAL IN; Overall Width: 0.250 INCHES NOMINAL IN. 6 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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