PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25-400Pin,spring

Pdi Ground Support Systems, Inc. · NSN 5315-00-178-6728 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-178-6728 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-178-6728. Primary manufacturer part number: 25-400.
Features
  • Pin,spring — FSC 5315
  • Material Thickness: 0.062 INCHES NOMINAL IN
  • Diameter: 0.312 INCHES NOMINAL IN
  • Style Designator: SLOTTED
  • Material: STEEL OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Pdi Ground Support Systems, Inc.
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Pin,spring, cataloged under National Stock Number 5315-00-178-6728, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pdi Ground Support Systems, Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-00-178-6728
Primary Part Number25-400
Item NamePin,spring
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerPdi Ground Support Systems, Inc.
StatusACTIVE
Material Thickness0.062 INCHES NOMINAL IN
Diameter0.312 INCHES NOMINAL IN
Style DesignatorSLOTTED
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5935-00-017-0097 INTERCHANGEABLE
Connector,receptacle,electrical
5325-00-051-9777 INTERCHANGEABLE
Ring,retaining
4820-00-074-7991254-00 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
2805-00-382-8033 INTERCHANGEABLE
Valve,poppet,engine
4810-00-692-372225400 INTERCHANGEABLE
Valve,linear,directional Control
Meggitt North Hollywood Inc
5945-01-119-384525-400 INTERCHANGEABLE
Relay,solid State
Te Connectivity Corporation
5985-01-156-9091723749-1 INTERCHANGEABLE
Dummy Load,electrical
Raytheon Company Div Rmd Strategic
5998-01-224-199225-400 INTERCHANGEABLE
Circuit Card Assembly
Olympus America Inc
5342-01-295-866525-400 INTERCHANGEABLE
Plunger,special
Rix Industries
5940-01-420-730701-1051-1-02 INTERCHANGEABLE
Post,binding,electrical
Concord Electronics, Inc.
Cross-Reference Index
Part NumberManufacturer
25-400 PRIMARY Pdi Ground Support Systems, Inc. (USA)
Related Parts
5935-00-017-0097INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5325-00-051-9777INTERCHANGEABLE
RING,RETAINING
4820-00-074-7991INTERCHANGEABLE
SEAT,VALVE
254-00
2805-00-382-8033INTERCHANGEABLE
VALVE,POPPET,ENGINE
4810-00-692-3722INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
25400
5945-01-119-3845INTERCHANGEABLE
RELAY,SOLID STATE
25-400
5985-01-156-9091INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
723749-1
5998-01-224-1992INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
25-400
5342-01-295-8665INTERCHANGEABLE
PLUNGER,SPECIAL
25-400
5940-01-420-7307INTERCHANGEABLE
POST,BINDING,ELECTRICAL
01-1051-1-02
1005-01-573-3817INTERCHANGEABLE
RIFLE,SNIPER
25400

Frequently Asked Questions

What is NSN 5315-00-178-6728?

NSN 5315-00-178-6728 is a Pin,spring, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-178-6728?

NSN 5315-00-178-6728 has 1 cross-referenced part number: 25-400 (Pdi Ground Support Systems, Inc.).

What NSN replaces 5315-00-178-6728?

There are 11 known substitutes for 5315-00-178-6728: 5935-00-017-0097, 5325-00-051-9777, 4820-00-074-7991 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25-400?

Key specifications for 25-400: Overall Length: 1.000 INCHES NOMINAL IN; Material Thickness: 0.062 INCHES NOMINAL IN; Diameter: 0.312 INCHES NOMINAL IN; Style Designator: SLOTTED. 5 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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