PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10A3381Spring,helical,compression

Napco International Llc Dba Napco International Inc · NSN 5360-00-350-7505 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-350-7505 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-350-7505. Primary manufacturer part number: 10A3381.
Features
  • Spring,helical,compression — FSC 5360
  • Material: STEEL OVERALL
  • Spring Deflection Rate: 3.300 POUNDS PER INCH NOMINAL LBS
  • Spring Free Length: 0.563 INCHES NOMINAL IN
  • Spring Solid Length: 0.313 INCHES MAXIMUM IN
  • Spring Free Outside Diameter: 0.512 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Style Designator: CYLINDRICAL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-350-7505, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, 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
NSN5360-00-350-7505
Primary Part Number10A3381
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusACTIVE
MaterialSTEEL OVERALL
Spring Deflection Rate3.300 POUNDS PER INCH NOMINAL LBS
Spring Free Length0.563 INCHES NOMINAL IN
Spring Solid Length0.313 INCHES MAXIMUM IN
Spring Free Outside Diameter0.512 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Style DesignatorCYLINDRICAL
Inside Diameter0.450 INCHES NOMINAL IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5930-00-105-82531557 INTERCHANGEABLE
Switch,toggle
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5905-00-135-2134RCS1K0 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5945-00-821-249449-21 INTERCHANGEABLE
Relay,electromagnetic
Keysight Technologies Inc
5120-01-087-7672GS19525-1 INTERCHANGEABLE
Tool,installer,seal
Hamilton Sundstrand Corporation Dba Collins Aerospace
5305-01-195-49974921 INTERCHANGEABLE
Screw,externally Relieved Body
Husco International Inc
6515-01-425-4677 INTERCHANGEABLE
Cpr Protective Mask
5340-01-549-5790218-0728 INTERCHANGEABLE
Clip,retaining
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
A282625 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
GTB2357 Ford Motor Company (USA)
10A3381 PRIMARY Napco International Llc Dba Napco International Inc (USA)
2156884 General Motors Corp (USA)
4921 Telegraph Machine and Tool Co (USA)
GTB2357 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
2180728 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
2156884 General Motors Llc Dba General Motors Llc (USA)
Related Parts
5930-00-105-8253INTERCHANGEABLE
SWITCH,TOGGLE
1557
5905-00-135-2134INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
RCS1K0
5945-00-821-2494INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
49-21
5120-01-087-7672INTERCHANGEABLE
TOOL,INSTALLER,SEAL
GS19525-1
5305-01-195-4997INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
4921
6515-01-425-4677INTERCHANGEABLE
CPR PROTECTIVE MASK
5340-01-549-5790INTERCHANGEABLE
CLIP,RETAINING
218-0728

Frequently Asked Questions

What is NSN 5360-00-350-7505?

NSN 5360-00-350-7505 is a Spring,helical,compression, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-350-7505?

NSN 5360-00-350-7505 has 8 cross-referenced part numbers: A282625 (U S Army Tank Automotive Command Amsta-Im-Mm), GTB2357 (Ford Motor Company), 10A3381 (Napco International Llc Dba Napco International Inc), 2156884 (General Motors Corp), 4921 (Telegraph Machine and Tool Co) and 3 more.

What NSN replaces 5360-00-350-7505?

There are 7 known substitutes for 5360-00-350-7505: 5930-00-105-8253, 5905-00-135-2134, 5945-00-821-2494 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10A3381?

Key specifications for 10A3381: Material: STEEL OVERALL; Spring Deflection Rate: 3.300 POUNDS PER INCH NOMINAL LBS; Spring Free Length: 0.563 INCHES NOMINAL IN; Spring Solid Length: 0.313 INCHES MAXIMUM IN. 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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