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Technical Data Sheet
PartsTable / COMPONENT / 911718-1
911718-1 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303MA FASTENER, body_width: 0.310 INCHES MAXIMUM IN, head_style: FILLISTER, body_height: 0.185 INCHES MAXIMUM IN, body_length: 0.785 INCHES MAXIMUM IN, head_height: 0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-422-1471, 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
911718-1
NSN: 5305-00-422-1471
FSC: 5305
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303MA FASTENER
body_width0.310 INCHES MAXIMUM IN
head_styleFILLISTER
body_height0.185 INCHES MAXIMUM IN
body_length0.785 INCHES MAXIMUM IN
head_height0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.190 INCHES NOMINAL IN
thread_length0.160 INCHES NOMINAL IN
fastener_length0.659 INCHES MINIMUM AND 0.721 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedHERMETICALLY SEALED AND BURN IN AND MONOLITHIC AND POSITIVE OUTPUTS
NSN5305-00-422-1471
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 911718-1 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD DIAMETER: 0.190 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE SPRING
•
MATERIAL: STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303MA SPRING
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD DIAMETER0.190 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE SPRING
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303MA SPRING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303MA FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE SPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
UH-408-D/883Interchangeable
interchangeable cross-reference
interchangeable
527448-0002Interchangeable
interchangeable cross-reference
interchangeable
2139609G001Interchangeable
interchangeable cross-reference
interchangeable
UHD508EDInterchangeable
interchangeable cross-reference
interchangeable
UHD508H/883CInterchangeable
interchangeable cross-reference
interchangeable
UHD508H883CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 911718-1?
911718-1 is a MICROCIRCUIT,DIGITAL.
What parts can replace 911718-1?
There are 7 known substitutes for 911718-1: UH-408-D/883, 527448-0002, 2139609G001 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 911718-1?
911718-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-422-1471. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026