PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SP432Stay,locking

Stanley Black & Decker, Inc. · NSN 5340-00-290-7257 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-290-7257 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-290-7257. Primary manufacturer part number: SP432.
Features
  • Stay,locking — FSC 5340
  • Mounting Hole Diameter: 0.157 INCHES NOMINAL IN
  • Material: STEEL
  • Surface Treatment: NICKEL
  • Style Designator: FRICTION TYPE
  • Operational Direction: LEFT-HAND
  • 6 verified cross-references
  • Primary manufacturer: Stanley Black & Decker, Inc.
Applications
  • Applications requiring Steel construction
General Description

The Stay,locking, cataloged under National Stock Number 5340-00-290-7257, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stanley Black & Decker, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-290-7257
Primary Part NumberSP432
Item NameStay,locking
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerStanley Black & Decker, Inc.
StatusACTIVE
Mounting Hole Diameter0.157 INCHES NOMINAL IN
MaterialSTEEL
Surface TreatmentNICKEL
Style DesignatorFRICTION TYPE
Operational DirectionLEFT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
Keeper
3110-00-155-6289 INTERCHANGEABLE
Bearing,ball,annular
5945-00-441-7787432-850 INTERCHANGEABLE
Relay,electromagnetic
Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/
5985-01-169-80114321B-2 INTERCHANGEABLE
Divider,power,radio Frequency
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
2520-01-171-727343212 INTERCHANGEABLE
Clutch Assembly,friction
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
5120-01-306-4517 INTERCHANGEABLE
Wrench,open End Box
4810-01-436-110743212 INTERCHANGEABLE
Valve Assembly,manifold
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
9330-01-694-3085MSB1001 INTERCHANGEABLE
Plastic Strip,pressure Sensitive
Bio-Rad Laboratories, Inc.
Cross-Reference Index
Part NumberManufacturer
SP432 Stanley Works the (USA)
4321-2 Stanley Black & Decker, Inc. (USA)
SP432 PRIMARY Stanley Black & Decker, Inc. (USA)
4321-2 Stanley Works the (USA)
432LEFTHAND Stanley Works the (USA)
MSB1001 Cbs Inc (USA)
Related Parts
5340-00-182-5377SUCCESSOR
KEEPER
3110-00-155-6289INTERCHANGEABLE
BEARING,BALL,ANNULAR
5945-00-441-7787INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
432-850
5985-01-169-8011INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
4321B-2
2520-01-171-7273INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
43212
5120-01-306-4517INTERCHANGEABLE
WRENCH,OPEN END BOX
4810-01-436-1107INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
43212
9330-01-694-3085INTERCHANGEABLE
PLASTIC STRIP,PRESSURE SENSITIVE
MSB1001

Frequently Asked Questions

What is NSN 5340-00-290-7257?

NSN 5340-00-290-7257 is a Stay,locking, manufactured by Stanley Black & Decker, Inc., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-290-7257?

NSN 5340-00-290-7257 has 6 cross-referenced part numbers: SP432 (Stanley Works the), 4321-2 (Stanley Black & Decker, Inc.), SP432 (Stanley Black & Decker, Inc.), 4321-2 (Stanley Works the), 432LEFTHAND (Stanley Works the) and 1 more.

What NSN replaces 5340-00-290-7257?

There are 8 known substitutes for 5340-00-290-7257: 5340-00-182-5377, 3110-00-155-6289, 5945-00-441-7787 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SP432?

Key specifications for SP432: Mounting Hole Diameter: 0.157 INCHES NOMINAL IN; Overall Width: 0.500 INCHES NOMINAL IN; Material: STEEL; Overall Length: 10.000 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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