PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

380-18Straightedge

L.s. Starrett Company (the) Div Tool Division · NSN 5210-00-735-7604 · FSC 5210 · No Item Name Available
Verified by PartsTable
NSN 5210-00-735-7604 — this item is cataloged by the U.S. Government under National Stock Number 5210-00-735-7604. Primary manufacturer part number: 380-18.
Features
  • Straightedge — FSC 5210
  • Edge Type: SQUARE
  • Material: STEEL
  • Unit Type: MACHINIST
  • Straight Edge Location: BOTH SIDES
  • Maximum Width: 1.406 INCHES IN
  • Heat Treatment: HARDENED
  • Thickness: 0.188 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Straightedge, cataloged under National Stock Number 5210-00-735-7604, is classified within Federal Supply Class 5210 (No Item Name Available) of the Measuring Tools group. The primary manufacturer of record is L.s. Starrett Company (the) Div Tool Division. Government technical data includes 10 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5210-00-735-7604
Primary Part Number380-18
Item NameStraightedge
FSC / FSG5210 / 52 — No Item Name Available
ManufacturerL.s. Starrett Company (the) Div Tool Division
StatusACTIVE
Edge TypeSQUARE
MaterialSTEEL
Unit TypeMACHINIST
Straight Edge LocationBOTH SIDES
Maximum Width1.406 INCHES IN
Heat TreatmentHARDENED
Thickness0.188 INCHES NOMINAL IN
Length18.000 INCHES NOMINAL IN
Drafting Machine ChuckNOT PROVIDED
GraduationsNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1650-00-541-041351439 INTERCHANGEABLE
Filter,fluid
Arvinmeritor Inc
6640-01-109-470538018 INTERCHANGEABLE
Rotor,centrifuge
Thermo Fisher Scientific (asheville) Llc Div Laboratory Products Division
5365-01-127-8175 INTERCHANGEABLE
Spacer,sleeve
2530-01-291-8407 INTERCHANGEABLE
Cylinder Assembly,actuating,line
9150-01-511-5230 INTERCHANGEABLE
Grease,instrument
5305-01-568-109838018 INTERCHANGEABLE
Screw,cap,hexagon Head
Barnes Group Inc. Dba Barnes Distribution
5120-01-579-0975 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
380-18 PRIMARY L.s. Starrett Company (the) Div Tool Division (USA)
51439 L.s. Starrett Company (the) Div Tool Division (USA)
Related Parts
1650-00-541-0413INTERCHANGEABLE
FILTER,FLUID
51439
6640-01-109-4705INTERCHANGEABLE
ROTOR,CENTRIFUGE
38018
5365-01-127-8175INTERCHANGEABLE
SPACER,SLEEVE
2530-01-291-8407INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
9150-01-511-5230INTERCHANGEABLE
GREASE,INSTRUMENT
5305-01-568-1098INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
38018
5120-01-579-0975INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5210-00-735-7604?

NSN 5210-00-735-7604 is a Straightedge, manufactured by L.s. Starrett Company (the) Div Tool Division, classified under FSC 5210 (No Item Name Available). Status: active.

What are the part numbers for NSN 5210-00-735-7604?

NSN 5210-00-735-7604 has 2 cross-referenced part numbers: 380-18 (L.s. Starrett Company (the) Div Tool Division), 51439 (L.s. Starrett Company (the) Div Tool Division).

What NSN replaces 5210-00-735-7604?

There are 7 known substitutes for 5210-00-735-7604: 1650-00-541-0413, 6640-01-109-4705, 5365-01-127-8175 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 380-18?

Key specifications for 380-18: Edge Type: SQUARE; Material: STEEL; Unit Type: MACHINIST; Straight Edge Location: BOTH SIDES. 10 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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