PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-181Key,woodruff

Precision Aerospace Corporation Dba Precision Engine Control · NSN 5315-00-252-5966 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-252-5966 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-252-5966. Primary manufacturer part number: 2-181.
Features
  • Key,woodruff — FSC 5315
  • Starting Edge Shape: ROUND
  • Key Size Designation: NONSTANDARD SIZE
  • Key Height: 0.144 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN
  • Circle Diameter: 0.325 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN
  • Style Designator: ROUND BOTTOM
  • Thickness: 0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
  • Starting Edge Radius: 0.010 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 1035 Overall construction
General Description

The Key,woodruff, cataloged under National Stock Number 5315-00-252-5966, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Precision Aerospace Corporation Dba Precision Engine Control. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5315-00-252-5966
Primary Part Number2-181
Item NameKey,woodruff
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerPrecision Aerospace Corporation Dba Precision Engine Control
StatusCANCELLED
Starting Edge ShapeROUND
Key Size DesignationNONSTANDARD SIZE
Key Height0.144 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN
Circle Diameter0.325 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN
Style DesignatorROUND BOTTOM
Thickness0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
Starting Edge Radius0.010 INCHES NOMINAL IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1035 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5340-00-224-8956 INTERCHANGEABLE
Handle,bow
4240-00-258-20542181 INTERCHANGEABLE
Goggles,industrial
Iso Group Inc Dba Iso Group Inc
6515-00-364-092010-2530 INTERCHANGEABLE
Scissors,general Surgical
Boss Instruments, Limited Inc
5999-00-581-34149000S6202-742907YPE3JR5-3A INTERCHANGEABLE
Light-Switch Assembly
Naval Ship Systems Command
3120-00-661-79802181 INTERCHANGEABLE
Bearing,sleeve
Weil Pump Co Inc
6550-00-926-22062181 INTERCHANGEABLE
Test Strips and Color Chart,bloo
Bayer Healthcare Llc Dba Bayer Healthcare-Viterion
6240-00-949-8109CM2181 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
4730-00-956-84442181 INTERCHANGEABLE
Parts Kit,steam Trap
Plenty Inc
6670-01-085-9745 INTERCHANGEABLE
Scale,weighing
4935-01-093-11682181 INTERCHANGEABLE
Multiplexer Assembl
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
2-181 Amphenol Corp Div Amphenol Aerospace Operations (USA)
2-181 PRIMARY Precision Aerospace Corporation Dba Precision Engine Control (USA)
2-181 Unison Industries Llc (USA)
Related Parts
5340-00-224-8956INTERCHANGEABLE
HANDLE,BOW
4240-00-258-2054INTERCHANGEABLE
GOGGLES,INDUSTRIAL
2181
6515-00-364-0920INTERCHANGEABLE
SCISSORS,GENERAL SURGICAL
10-2530
5999-00-581-3414INTERCHANGEABLE
LIGHT-SWITCH ASSEMBLY
9000S6202-742907YPE3JR5-3A
3120-00-661-7980INTERCHANGEABLE
BEARING,SLEEVE
2181
6550-00-926-2206INTERCHANGEABLE
TEST STRIPS AND COLOR CHART,BLOO
2181
6240-00-949-8109INTERCHANGEABLE
LAMP,INCANDESCENT
CM2181
4730-00-956-8444INTERCHANGEABLE
PARTS KIT,STEAM TRAP
2181
6670-01-085-9745INTERCHANGEABLE
SCALE,WEIGHING
4935-01-093-1168INTERCHANGEABLE
MULTIPLEXER ASSEMBL
2181
6145-01-117-6361INTERCHANGEABLE
BRAID,WIRE
5340-01-224-3710INTERCHANGEABLE
BUMPER
2181-103

Frequently Asked Questions

What is NSN 5315-00-252-5966?

NSN 5315-00-252-5966 is a Key,woodruff, manufactured by Precision Aerospace Corporation Dba Precision Engine Control, classified under FSC 5315 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5315-00-252-5966?

NSN 5315-00-252-5966 has 3 cross-referenced part numbers: 2-181 (Amphenol Corp Div Amphenol Aerospace Operations), 2-181 (Precision Aerospace Corporation Dba Precision Engine Control), 2-181 (Unison Industries Llc).

What NSN replaces 5315-00-252-5966?

There are 12 known substitutes for 5315-00-252-5966: 5340-00-224-8956, 4240-00-258-2054, 6515-00-364-0920 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-181?

Key specifications for 2-181: Starting Edge Shape: ROUND; Key Size Designation: NONSTANDARD SIZE; Key Height: 0.144 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN; Circle Diameter: 0.325 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5315-00-252-5966 still in active supply?

NSN 5315-00-252-5966 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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