PartsTable
Technical Data Sheet
509438-4 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

COMMUNICATION-IDENTIFICATION-NAV. Key specifications include width: 0.188 INCHES NOMINAL TIP IN, length: 4.000 INCHES NOMINAL BLADE IN, material: STEEL OVERALL, shank_shape: ROUND, overall_length: 26.250 INCHES NOMINAL IN, drive_end_shape: SQUARE SINGLE END EXTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-500-7961, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
509438-4
NSN: 5940-00-500-7961
FSC: 5940
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
width0.188 INCHES NOMINAL TIP IN
length4.000 INCHES NOMINAL BLADE IN
materialSTEEL OVERALL
shank_shapeROUND
overall_length26.250 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END EXTERNAL
furnished_itemsCASE
torque_capacity50.0 FOOT-POUNDS MINIMUM AND 250.0 FOOT-POUNDS MAXIMUM AND 7.6 METER-KILOGRAMS MINIMUM AND 35.2 METER-KILOGRAMS MAXIMUM FT
special_featuresRATCHET HEAD; PLAIN STEEL HANDLE; DUAL SCALE; 0.14 MKG GRADUATIONS
style_designatorMICROMETER END DRIVE
features_providedSTRAIGHT TIP SIDES AND CUSHION GRIP AND ELECTRICALLY INSULATED UP TO 1000 VOLTS
surface_treatmentCHROMIUM OVERALL
NSN5940-00-500-7961
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COMMUNICATION-IDENTIFICATION-NAV TITLE COMPONENT PN 509438-4 MFR COMMUNICATION-IDENTIFI
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
4141Interchangeable
interchangeable cross-reference
interchangeable
JCFInterchangeable
interchangeable cross-reference
interchangeable
A-A-52440-1B-7Interchangeable
interchangeable cross-reference
interchangeable
4342Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-6855Interchangeable
interchangeable cross-reference
interchangeable
LS2892Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 509438-4?
509438-4 is a COMMUNICATION-IDENTIFICATION-NAV.
What parts can replace 509438-4?
There are 24 known substitutes for 509438-4: 4141, JCF, A-A-52440-1B-7 and 21 more. Substitute compatibility should be verified for your specific system.
Is 509438-4 still available?
509438-4 is currently cancelled.
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