PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D52-094-500-1250Pin,spring

Esna, Llc · NSN 5315-00-664-8819 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-664-8819 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-664-8819. Primary manufacturer part number: D52-094-500-1250.
Features
  • Pin,spring — FSC 5315
  • Style Designator: SLOTTED
  • Diameter: 0.500 INCHES NOMINAL IN
  • Material Document and Classification: 66,COMP 1070 THRU 1095 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
  • Material: STEEL OVERALL
  • Material Thickness: 0.094 INCHES NOMINAL IN
  • 7 verified cross-references
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Pin,spring, cataloged under National Stock Number 5315-00-664-8819, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5315-00-664-8819
Primary Part NumberD52-094-500-1250
Item NamePin,spring
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerEsna, Llc
StatusCANCELLED
Style DesignatorSLOTTED
Diameter0.500 INCHES NOMINAL IN
Material Document and Classification66,COMP 1070 THRU 1095 FED STD SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL OVERALL
Material Thickness0.094 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5945-00-201-5262 INTERCHANGEABLE
Relay,thermal
5945-00-249-9814 INTERCHANGEABLE
Relay,thermal
5315-00-687-5159MS171776 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4820-01-273-3338B2014 INTERCHANGEABLE
Seat,valve
Dante Valve Company
5998-01-528-5855B-2014 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
D52-094-500-1250 Esna, Llc (USA)
D52-094-500-1250 Harvard Industries Inc (USA)
59-094-500-1250 Esna, Llc (USA)
MS9048-358 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
59-094-500-1250 Harvard Industries Inc (USA)
B2014 Dempster Inc Sub of Krug Intl (USA)
23S500-1250 Sps Technologies, Llc Dba PB Fasteners (USA)
Related Parts
5945-00-201-5262INTERCHANGEABLE
RELAY,THERMAL
5945-00-249-9814INTERCHANGEABLE
RELAY,THERMAL
5315-00-687-5159INTERCHANGEABLE
PIN,SPRING
MS171776
4820-01-273-3338INTERCHANGEABLE
SEAT,VALVE
B2014
5998-01-528-5855INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
B-2014

Frequently Asked Questions

What is NSN 5315-00-664-8819?

NSN 5315-00-664-8819 is a Pin,spring, manufactured by Esna, Llc, classified under FSC 5315 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5315-00-664-8819?

NSN 5315-00-664-8819 has 7 cross-referenced part numbers: D52-094-500-1250 (Esna, Llc), D52-094-500-1250 (Harvard Industries Inc), 59-094-500-1250 (Esna, Llc), MS9048-358 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 59-094-500-1250 (Harvard Industries Inc) and 2 more.

What NSN replaces 5315-00-664-8819?

There are 5 known substitutes for 5315-00-664-8819: 5945-00-201-5262, 5945-00-249-9814, 5315-00-687-5159 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D52-094-500-1250?

Key specifications for D52-094-500-1250: Style Designator: SLOTTED; Overall Length: 1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN; Diameter: 0.500 INCHES NOMINAL IN; Material Document and Classification: 66,COMP 1070 THRU 1095 FED STD SINGLE MATERIAL RESPONSE OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5315-00-664-8819 still in active supply?

NSN 5315-00-664-8819 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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