PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35431Lock Spring,turnlock Fastener

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5325-00-448-6751 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-448-6751 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-448-6751. Primary manufacturer part number: 35431.
Features
  • Lock Spring,turnlock Fastener — FSC 5325
  • Eye Diameter: 0.126 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
  • Center to Center Distance Between Eyes: 1.000 INCHES NOMINAL IN
  • Lockspring Overall Height: 0.250 INCHES NOMINAL IN
  • Stock Diameter: 0.080 INCHES NOMINAL IN
  • Material: STEEL LOCKSPRING
  • Lockspring Style: LOCKSPRING
  • Surface Treatment: ZINC OR CADMIUM LOCKSPRING
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Lockspring construction
General Description

The Lock Spring,turnlock Fastener, cataloged under National Stock Number 5325-00-448-6751, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 7 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-448-6751
Primary Part Number35431
Item NameLock Spring,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Eye Diameter0.126 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
Center to Center Distance Between Eyes1.000 INCHES NOMINAL IN
Lockspring Overall Height0.250 INCHES NOMINAL IN
Stock Diameter0.080 INCHES NOMINAL IN
MaterialSTEEL LOCKSPRING
Lockspring StyleLOCKSPRING
Surface TreatmentZINC OR CADMIUM LOCKSPRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3010-00-537-974135431 INTERCHANGEABLE
Coupling,shaft,flexible
Rexnord Industries, Llc Div Couplings Division
2530-01-214-323335431 INTERCHANGEABLE
Camshaft,actuating,brake Shoe
Dana Commercial Vehicle Products, Llc
Cross-Reference Index
Part NumberManufacturer
35431 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
3010-00-537-9741INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
35431
2530-01-214-3233INTERCHANGEABLE
CAMSHAFT,ACTUATING,BRAKE SHOE
35431

Frequently Asked Questions

What is NSN 5325-00-448-6751?

NSN 5325-00-448-6751 is a Lock Spring,turnlock Fastener, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-448-6751?

NSN 5325-00-448-6751 has 1 cross-referenced part number: 35431 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5325-00-448-6751?

There are 2 known substitutes for 5325-00-448-6751: 3010-00-537-9741, 2530-01-214-3233. Verify interchangeability with system specifications before substitution.

What are the specifications of 35431?

Key specifications for 35431: Eye Diameter: 0.126 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN; Center to Center Distance Between Eyes: 1.000 INCHES NOMINAL IN; Lockspring Overall Height: 0.250 INCHES NOMINAL IN; Stock Diameter: 0.080 INCHES NOMINAL IN. 7 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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