PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9918156Key,woodruff

Alfa Laval Inc · NSN 5315-00-511-7291 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-511-7291 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-511-7291. Primary manufacturer part number: 9918156.
Features
  • Key,woodruff — FSC 5315
  • Starting Edge Shape: ROUND
  • Material: STEEL OVERALL
  • Style Designator: FLAT BOTTOM
  • Thickness: 0.125 INCHES NOMINAL IN
  • Circle Diameter: 0.480 INCHES NOMINAL IN
  • Key Height: 0.190 INCHES NOMINAL IN
  • Starting Edge Radius: 0.240 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Key,woodruff, cataloged under National Stock Number 5315-00-511-7291, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Alfa Laval Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-00-511-7291
Primary Part Number9918156
Item NameKey,woodruff
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerAlfa Laval Inc
StatusACTIVE
Starting Edge ShapeROUND
MaterialSTEEL OVERALL
Style DesignatorFLAT BOTTOM
Thickness0.125 INCHES NOMINAL IN
Circle Diameter0.480 INCHES NOMINAL IN
Key Height0.190 INCHES NOMINAL IN
Starting Edge Radius0.240 INCHES NOMINAL IN
Key Size DesignationWOODRUFF 3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5930-00-259-7286 INTERCHANGEABLE
Switch,rotary
4730-00-328-48050031130-015 INTERCHANGEABLE
Elbow,pipe
Cleveland Service Center
3120-00-353-758923688 INTERCHANGEABLE
Bushing,sleeve
Briggs and Stratton Corp
1620-00-600-5508 INTERCHANGEABLE
Damper Assy,nose La
5360-00-601-40838156 INTERCHANGEABLE
Spring,helical,extension
Fwd Seagrave Holdings Lp
4730-00-771-5306B815-6 INTERCHANGEABLE
Insert,tube Fitting
Swagelok Co
5960-00-942-0932 INTERCHANGEABLE
Electron Tube
5950-01-081-66858156 INTERCHANGEABLE
Transformer,power
Electrac Space Electronics Laboratory Inc Vibration Instruments Co Div
5962-01-169-5126 INTERCHANGEABLE
Microcircuit,memory
5120-01-425-89958156 INTERCHANGEABLE
Socket,socket Wrench
Wright Tool Co
Cross-Reference Index
Part NumberManufacturer
8156 Alfa Laval Inc (USA)
9918156 PRIMARY Alfa Laval Inc (USA)
Related Parts
5930-00-259-7286INTERCHANGEABLE
SWITCH,ROTARY
4730-00-328-4805INTERCHANGEABLE
ELBOW,PIPE
0031130-015
3120-00-353-7589INTERCHANGEABLE
BUSHING,SLEEVE
23688
1620-00-600-5508INTERCHANGEABLE
DAMPER ASSY,NOSE LA
5360-00-601-4083INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
8156
4730-00-771-5306INTERCHANGEABLE
INSERT,TUBE FITTING
B815-6
5960-00-942-0932INTERCHANGEABLE
ELECTRON TUBE
5950-01-081-6685INTERCHANGEABLE
TRANSFORMER,POWER
8156
5962-01-169-5126INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5120-01-425-8995INTERCHANGEABLE
SOCKET,SOCKET WRENCH
8156

Frequently Asked Questions

What is NSN 5315-00-511-7291?

NSN 5315-00-511-7291 is a Key,woodruff, manufactured by Alfa Laval Inc, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-511-7291?

NSN 5315-00-511-7291 has 2 cross-referenced part numbers: 8156 (Alfa Laval Inc), 9918156 (Alfa Laval Inc).

What NSN replaces 5315-00-511-7291?

There are 10 known substitutes for 5315-00-511-7291: 5930-00-259-7286, 4730-00-328-4805, 3120-00-353-7589 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9918156?

Key specifications for 9918156: Starting Edge Shape: ROUND; Material: STEEL OVERALL; Style Designator: FLAT BOTTOM; Thickness: 0.125 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com