PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4721Spring,helical,compression

Coffin Turbo Pump Inc · NSN 5360-00-790-2691 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-790-2691 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-790-2691. Primary manufacturer part number: 4721.
Features
  • Spring,helical,compression — FSC 5360
  • Inside Diameter: 0.453 INCHES NOMINAL IN
  • Spring Free Outside Diameter: 0.599 INCHES NOMINAL IN
  • Coil Helix Direction: LEFT-HAND
  • Spring Solid Outside Diameter: 0.599 INCHES NOMINAL IN
  • Coil Quantity: 5
  • Material: STEEL CORROSION RESISTING OVERALL
  • Style Designator: CYLINDRICAL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-790-2691, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Coffin Turbo Pump Inc. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-790-2691
Primary Part Number4721
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Inside Diameter0.453 INCHES NOMINAL IN
Spring Free Outside Diameter0.599 INCHES NOMINAL IN
Coil Helix DirectionLEFT-HAND
Spring Solid Outside Diameter0.599 INCHES NOMINAL IN
Coil Quantity5
MaterialSTEEL CORROSION RESISTING OVERALL
Style DesignatorCYLINDRICAL
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Spring Free Length0.656 INCHES NOMINAL IN
Spring Solid Length0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6515-00-113-53584721 INTERCHANGEABLE
Intravenous Injection Set
Abbott Laboratories Inc. Div Hospital Products Division
2920-00-172-56281891918 INTERCHANGEABLE
Winding,motor Field
Delco Remy America Inc
3020-00-267-1878120-0L INTERCHANGEABLE
Link,roller Chain
Union Chain Div of Ust Inc
9540-00-542-2753 INTERCHANGEABLE
Beam,structural
6625-00-605-7569472-1 INTERCHANGEABLE
Test Set,battery
Q V S Inc
5330-00-641-11594721 INTERCHANGEABLE
Gasket
Ktm 2 Llc Dba Arrow Safety Device Company
4730-01-148-9438 INTERCHANGEABLE
Bushing,reducer
5310-01-193-76354721 INTERCHANGEABLE
Nut,plain,hexagon
Husco International Inc
2520-01-391-0775KIT-4721 INTERCHANGEABLE
Parts Kit,driving Axle Different
Meritor Heavy Vehicle Systems, Llc
5935-01-433-2756 INTERCHANGEABLE
Connector,plug,electrical
Cross-Reference Index
Part NumberManufacturer
4721 PRIMARY Coffin Turbo Pump Inc (USA)
4721 Fmc Corp (USA)
Related Parts
6515-00-113-5358INTERCHANGEABLE
INTRAVENOUS INJECTION SET
4721
2920-00-172-5628INTERCHANGEABLE
WINDING,MOTOR FIELD
1891918
3020-00-267-1878INTERCHANGEABLE
LINK,ROLLER CHAIN
120-0L
9540-00-542-2753INTERCHANGEABLE
BEAM,STRUCTURAL
6625-00-605-7569INTERCHANGEABLE
TEST SET,BATTERY
472-1
5330-00-641-1159INTERCHANGEABLE
GASKET
4721
4730-01-148-9438INTERCHANGEABLE
BUSHING,REDUCER
5310-01-193-7635INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4721
2520-01-391-0775INTERCHANGEABLE
PARTS KIT,DRIVING AXLE DIFFERENT
KIT-4721
5935-01-433-2756INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4810-01-515-0514INTERCHANGEABLE
VALVE,BUTTERFLY
4" 815W-113600TT
5340-01-597-5619INTERCHANGEABLE
CLAMP,BLOCK
94-00012

Frequently Asked Questions

What is NSN 5360-00-790-2691?

NSN 5360-00-790-2691 is a Spring,helical,compression, manufactured by Coffin Turbo Pump Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-790-2691?

NSN 5360-00-790-2691 has 2 cross-referenced part numbers: 4721 (Coffin Turbo Pump Inc), 4721 (Fmc Corp).

What NSN replaces 5360-00-790-2691?

There are 12 known substitutes for 5360-00-790-2691: 6515-00-113-5358, 2920-00-172-5628, 3020-00-267-1878 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4721?

Key specifications for 4721: Inside Diameter: 0.453 INCHES NOMINAL IN; Spring Free Outside Diameter: 0.599 INCHES NOMINAL IN; Coil Helix Direction: LEFT-HAND; Spring Solid Outside Diameter: 0.599 INCHES NOMINAL IN. 10 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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