HL18518 — MICROCIRCUIT,DIGITAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

HL18518: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL, body_width: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, body_height: 0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.800 INCHES MAXIMUM IN, grip_length: 1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN, head_height: 0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5962-00-407-7056, 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

HL18518

NSN: 5962-00-407-7056
NIINs: 004077056, 013391500
FSC: 5962 — Microcircuits, Electronic
CAGE: 07263 — FAIRCHILD SEMICONDUCTOR CORP (USA)

SPECIFICATIONS

material	STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL
body_width	0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
body_height	0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length	0.800 INCHES MAXIMUM IN
grip_length	1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
head_height	0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
lubrication	CETYL ALCOHOL
shank_style	PIN-RIVET, STRAIGHT, THREADED
thread_class	3A A
shank_diameter	0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN
fastener_length	1.427 INCHES MINIMUM AND 1.447 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
NSN	5962-00-407-7056

COMPONENT DIAGRAM

KEY FEATURES

•

INPUT CIRCUIT PATTERN: 8 INPUT

•

INCLOSURE MATERIAL: CERAMIC AND GLASS

•

TERMINAL SURFACE TREATMENT: SOLDER

•

DESIGN FUNCTION AND QUANTITY: 1 ENCODER, PRIORITY

•

BODY WIDTH: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN

•

BODY HEIGHT: 0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN

•

FEATURES PROVIDED: MONOLITHIC AND HERMETICALLY SEALED AND NEGATIVE OUTPUTS AND POSITIVE OUTPUTS

•

INCLOSURE CONFIGURATION: DUAL-IN-LINE

TECHNICAL CHARACTERISTICS

INPUT CIRCUIT PATTERN	8 INPUT
INCLOSURE MATERIAL	CERAMIC AND GLASS
TERMINAL SURFACE TREATMENT	SOLDER
DESIGN FUNCTION AND QUANTITY	1 ENCODER, PRIORITY
BODY WIDTH	0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
BODY HEIGHT	0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
FEATURES PROVIDED	MONOLITHIC AND HERMETICALLY SEALED AND NEGATIVE OUTPUTS AND POSITIVE OUTPUTS
INCLOSURE CONFIGURATION	DUAL-IN-LINE
BODY LENGTH	0.800 INCHES MAXIMUM IN
STORAGE TEMP RANGE	-65.0 TO 150.0 CELSIUS DEGC

SUBSTITUTES & CROSS-REFERENCES 2

SC16561LH-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

DH5278Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is HL18518?

HL18518 is a MICROCIRCUIT,DIGITAL.

What parts can replace HL18518?

There are 2 known substitutes for HL18518: SC16561LH-1, DH5278. Substitute compatibility should be verified for your specific system.

What is the NSN for HL18518?

HL18518 is cataloged in the U.S. Government catalog under NSN 5962-00-407-7056. This indicates validated use in U.S. government and defense supply chains.

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HL18518 — MICROCIRCUIT,DIGITAL

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