PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

59-040-187-0812Pin,spring

Esna, Llc · NSN 5315-00-616-5655 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-616-5655 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-616-5655. Primary manufacturer part number: 59-040-187-0812.
Features
  • Pin,spring — FSC 5315
  • Nondefinitive Spec/std Data: A CLASS
  • Style Designator: SLOTTED
  • Material: STEEL COMP 1095 OVERALL
  • Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
  • Material Document and Classification: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Diameter: 0.187 INCHES NOMINAL IN
  • Material Thickness: 0.040 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 1095 Overall construction
General Description

The Pin,spring, cataloged under National Stock Number 5315-00-616-5655, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Esna, Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5315-00-616-5655
Primary Part Number59-040-187-0812
Item NamePin,spring
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerEsna, Llc
StatusACTIVE
Nondefinitive Spec/std DataA CLASS
Style DesignatorSLOTTED
MaterialSTEEL COMP 1095 OVERALL
Hardness Rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Diameter0.187 INCHES NOMINAL IN
Material Thickness0.040 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1660-00-620-7253516117 INTERCHANGEABLE
Disk,valve
Hamilton Sundstrand Corporation Dba Collins Aerospace
5315-00-829-5794516-0117 INTERCHANGEABLE
Pin,governor
Cummins Power Generation Inc.
3010-01-219-1665516117 INTERCHANGEABLE
Coupling Half,shaft
Rexnord Industries, Llc Div Couplings Division
2925-01-517-2968516117 INTERCHANGEABLE
End Bell,electrical Rotating Equ
Honeywell International Inc. Div Aerospace - Torrance
Cross-Reference Index
Part NumberManufacturer
516-117 Cummins Power Generation Inc. (USA)
516-0117 Cummins Power Generation Inc. (USA)
59-040-187-0812 Harvard Industries Inc (USA)
59-040-187-0812 PRIMARY Esna, Llc (USA)
Related Parts
1660-00-620-7253INTERCHANGEABLE
DISK,VALVE
516117
5315-00-829-5794INTERCHANGEABLE
PIN,GOVERNOR
516-0117
3010-01-219-1665INTERCHANGEABLE
COUPLING HALF,SHAFT
516117
2925-01-517-2968INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
516117

Frequently Asked Questions

What is NSN 5315-00-616-5655?

NSN 5315-00-616-5655 is a Pin,spring, manufactured by Esna, Llc, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-616-5655?

NSN 5315-00-616-5655 has 4 cross-referenced part numbers: 516-117 (Cummins Power Generation Inc.), 516-0117 (Cummins Power Generation Inc.), 59-040-187-0812 (Harvard Industries Inc), 59-040-187-0812 (Esna, Llc).

What NSN replaces 5315-00-616-5655?

There are 4 known substitutes for 5315-00-616-5655: 1660-00-620-7253, 5315-00-829-5794, 3010-01-219-1665 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 59-040-187-0812?

Key specifications for 59-040-187-0812: Nondefinitive Spec/std Data: A CLASS; Style Designator: SLOTTED; Material: STEEL COMP 1095 OVERALL; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL. 8 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