PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5277Spring,helical,compression

Oberdorfer Pumps Inc · NSN 5360-00-493-8182 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-493-8182 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-493-8182. Primary manufacturer part number: 5277.
Features
  • Spring,helical,compression — FSC 5360
  • Material: STEEL COMP 302 OVERALL
  • Inside Diameter: 0.531 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Spring Free Outside Diameter: 0.687 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Spring Free Length: 1.625 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-493-8182, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oberdorfer Pumps Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5360-00-493-8182
Primary Part Number5277
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerOberdorfer Pumps Inc
StatusACTIVE
MaterialSTEEL COMP 302 OVERALL
Inside Diameter0.531 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Spring Free Outside Diameter0.687 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Spring Free Length1.625 INCHES NOMINAL IN
Coil Quantity9
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2815-00-146-2320 INTERCHANGEABLE
Cover Assy,cylinder
5210-00-473-71365277 INTERCHANGEABLE
Indicator,contact O
Carrasco, Hernan Dba Tc Electric
5950-00-553-3536 INTERCHANGEABLE
Transformer,power
6920-00-953-9925 INTERCHANGEABLE
Launcher
5935-01-005-3579 INTERCHANGEABLE
Connector,plug,electrical
6635-01-259-82815-277 INTERCHANGEABLE
Proving Ring
Morehouse Instrument Company Dba Morehouse Instrument Co Inc
Cross-Reference Index
Part NumberManufacturer
B5277 Oberdorfer Foundries Inc (USA)
5277 PRIMARY Oberdorfer Pumps Inc (USA)
5277 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
2815-00-146-2320INTERCHANGEABLE
COVER ASSY,CYLINDER
5210-00-473-7136INTERCHANGEABLE
INDICATOR,CONTACT O
5277
5950-00-553-3536INTERCHANGEABLE
TRANSFORMER,POWER
6920-00-953-9925INTERCHANGEABLE
LAUNCHER
5935-01-005-3579INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6635-01-259-8281INTERCHANGEABLE
PROVING RING
5-277

Frequently Asked Questions

What is NSN 5360-00-493-8182?

NSN 5360-00-493-8182 is a Spring,helical,compression, manufactured by Oberdorfer Pumps Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-493-8182?

NSN 5360-00-493-8182 has 3 cross-referenced part numbers: B5277 (Oberdorfer Foundries Inc), 5277 (Oberdorfer Pumps Inc), 5277 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5360-00-493-8182?

There are 6 known substitutes for 5360-00-493-8182: 2815-00-146-2320, 5210-00-473-7136, 5950-00-553-3536 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5277?

Key specifications for 5277: Material: STEEL COMP 302 OVERALL; Inside Diameter: 0.531 INCHES NOMINAL IN; Coil Helix Direction: RIGHT-HAND OR LEFT-HAND; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com