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Technical Data Sheet
PartsTable / COMPONENT / NAS1189-06T5L
NAS1189-06T5L ✓ 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 SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.231 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN, thread_length: 0.162 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES THREADS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-567-5903, 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
NAS1189-06T5L
NSN: 5305-00-567-5903
FSC: 5305
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.231 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
thread_length0.162 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES THREADS
fastener_length0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
locking_featureSTRIP THREADS
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentCADMIUM AND CHROMATE OVERALL
NSN5305-00-567-5903
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NAS1189-06T5L · 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
•
THREAD CLASS: 3A A
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE FINISH: 32.0 MICROINCHES BEARING SURFACE OF HEAD
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
SPECIFICATION/STANDARD DATA: 80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
LOCKING FEATURE: STRIP THREADS
•
MATERIAL: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A A
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SPECIFICATION/STANDARD DATA80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
LOCKING FEATURESTRIP THREADS
MATERIALSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
THREAD SERIES DESIGNATORUNJC
SURFACE FINISH32.0 MICROINCHES THREADS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
LL57U40J6MInterchangeable
interchangeable cross-reference
interchangeable
61511800524Interchangeable
interchangeable cross-reference
interchangeable
910060-0406Interchangeable
interchangeable cross-reference
interchangeable
2585164Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-18240Interchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1189-06T5L?
NAS1189-06T5L is a SCREW,CAP,SOCKET HEAD.
What parts can replace NAS1189-06T5L?
There are 20 known substitutes for NAS1189-06T5L: LL57U40J6M, 61511800524, 910060-0406 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1189-06T5L?
NAS1189-06T5L is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-567-5903. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026