PartsTable
Technical Data Sheet
1027301-4-6 ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.086 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN, thread_length: 0.325 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, screw_material: STEEL OR STEEL COMP 1010. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-579-5851, 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
1027301-4-6
NSN: 5305-00-579-5851
FSC: 5305
CAGE: 88277 — THE BOEING COMPANY (USA)
SPECIFICATIONS
head_styleROUND
head_height0.086 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_length0.325 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
screw_materialSTEEL OR STEEL COMP 1010
fastener_length0.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentCADMIUM
minimum_tensile_strength55000 POUNDS PER SQUARE INCH LBS
NSN5305-00-579-5851
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1027301-4-6 · 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 QUANTITY PER INCH: 40
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
THREAD CLASS: 2A A
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
THREAD LENGTH: 0.325 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
HEAD STYLE: ROUND
HEAD HEIGHT: 0.086 INCHES MAXIMUM IN
HEAD DIAMETER: 0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH40
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD CLASS2A A
FASTENER LENGTH0.375 INCHES NOMINAL IN
THREAD LENGTH0.325 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
HEAD STYLEROUND
HEAD HEIGHT0.086 INCHES MAXIMUM IN
HEAD DIAMETER0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
N80P9006Q3Interchangeable
interchangeable cross-reference
interchangeable
MS35206-215Interchangeable
interchangeable cross-reference
interchangeable
558363-17Interchangeable
interchangeable cross-reference
interchangeable
S422-4-6Interchangeable
Same NIIN cross-reference
interchangeable
4177310-087Interchangeable
Same NIIN cross-reference
interchangeable
AN515-4R6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1027301-4-6?
1027301-4-6 is a SCREW,MACHINE.
What parts can replace 1027301-4-6?
There are 9 known substitutes for 1027301-4-6: N80P9006Q3, MS35206-215, 558363-17 and 6 more. Substitute compatibility should be verified for your specific system.
Is 1027301-4-6 still available?
1027301-4-6 is currently cancelled.
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