PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

515-20Spring,helical,compression

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 5360-01-044-1981 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-01-044-1981 — this item is cataloged by the U.S. Government under National Stock Number 5360-01-044-1981. Primary manufacturer part number: 515-20.
Features
  • Spring,helical,compression — FSC 5360
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • 2 verified cross-references
  • Primary manufacturer: Circor Aerospace, Inc. Dba Circor Aerospace Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-01-044-1981, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-01-044-1981
Primary Part Number515-20
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4140-00-023-1759 INTERCHANGEABLE
Impeller,fan,axial
8030-00-060-3167P-412 INTERCHANGEABLE
Tape,antiseizing
Nitto, Inc.
3040-00-511-544851520 INTERCHANGEABLE
Cam,control
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
5305-01-195-580051520 INTERCHANGEABLE
Screw,machine
Husco International Inc
5360-01-502-054451520 INTERCHANGEABLE
Spring,flat
Dumont Corp the
5935-01-555-95425152-0 INTERCHANGEABLE
Cover,electrical Connector
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
Cross-Reference Index
Part NumberManufacturer
515-20 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
215-4634863PCS-1 Naval Ship Systems Command (USA)
Related Parts
4140-00-023-1759INTERCHANGEABLE
IMPELLER,FAN,AXIAL
8030-00-060-3167INTERCHANGEABLE
TAPE,ANTISEIZING
P-412
3040-00-511-5448INTERCHANGEABLE
CAM,CONTROL
51520
5305-01-195-5800INTERCHANGEABLE
SCREW,MACHINE
51520
5360-01-502-0544INTERCHANGEABLE
SPRING,FLAT
51520
5935-01-555-9542INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
5152-0

Frequently Asked Questions

What is NSN 5360-01-044-1981?

NSN 5360-01-044-1981 is a Spring,helical,compression, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-01-044-1981?

NSN 5360-01-044-1981 has 2 cross-referenced part numbers: 515-20 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 215-4634863PCS-1 (Naval Ship Systems Command).

What NSN replaces 5360-01-044-1981?

There are 6 known substitutes for 5360-01-044-1981: 4140-00-023-1759, 8030-00-060-3167, 3040-00-511-5448 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 515-20?

Key specifications for 515-20: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY. 2 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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