PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1B8704Key,woodruff

Caterpillar Inc Div Caterpillar Defense · NSN 5315-00-074-3573 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-074-3573 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-074-3573. Primary manufacturer part number: 1B8704.
Features
  • Key,woodruff — FSC 5315
  • Material: STEEL OVERALL
  • Key Size Designation: WOODRUFF 5
  • Style Designator: ROUND BOTTOM
  • Starting Edge Shape: STRAIGHT
  • Thickness: 0.125 INCHES NOMINAL IN
  • Key Height: 0.250 INCHES NOMINAL IN
  • Circle Diameter: 0.625 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Key,woodruff, cataloged under National Stock Number 5315-00-074-3573, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-00-074-3573
Primary Part Number1B8704
Item NameKey,woodruff
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
MaterialSTEEL OVERALL
Key Size DesignationWOODRUFF 5
Style DesignatorROUND BOTTOM
Starting Edge ShapeSTRAIGHT
Thickness0.125 INCHES NOMINAL IN
Key Height0.250 INCHES NOMINAL IN
Circle Diameter0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5315-00-616-5526NASM35756-8 INTERCHANGEABLE
Key,woodruff
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
1B8704 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5315-00-616-5526INTERCHANGEABLE
KEY,WOODRUFF
NASM35756-8

Frequently Asked Questions

What is NSN 5315-00-074-3573?

NSN 5315-00-074-3573 is a Key,woodruff, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-074-3573?

NSN 5315-00-074-3573 has 1 cross-referenced part number: 1B8704 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5315-00-074-3573?

There is 1 known substitute for 5315-00-074-3573: 5315-00-616-5526. Verify interchangeability with system specifications before substitution.

What are the specifications of 1B8704?

Key specifications for 1B8704: Material: STEEL OVERALL; Key Size Designation: WOODRUFF 5; Style Designator: ROUND BOTTOM; Starting Edge Shape: STRAIGHT. 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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