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1027301-8-20 — Technical Data Sheet

✓ 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: 0.120 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN, thread_length: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, screw_material: STEEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5305-00-144-3726, 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
1027301-8-20
NSN: 5305-00-144-3726
FSC: 5305
CAGE: 88277 — THE BOEING COMPANY (USA)
SPECIFICATIONS
head_styleROUND
head_height0.120 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
thread_length1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentCADMIUM
thread_quantity_per_inch32
NSN5305-00-144-3726
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1027301-8-20 · 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
•
HEAD DIAMETER: 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD STYLE: ROUND
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
HEAD HEIGHT: 0.120 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD DIAMETER0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
FASTENER LENGTH1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM
THREAD DIRECTIONRIGHT-HAND
HEAD STYLEROUND
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
HEAD HEIGHT0.120 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
THREAD LENGTH1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
FFS92ANDTYPE3STYLE1CInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AN515-8R12InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
808P107CInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5422-8-32InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FFS92TYPE3STYLE1CInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AN515-416R32InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1027301-8-20?
1027301-8-20 is a SCREW,MACHINE.
What parts can replace 1027301-8-20?
There are 19 known substitutes for 1027301-8-20: FFS92ANDTYPE3STYLE1C, AN515-8R12, 808P107C and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1027301-8-20?
1027301-8-20 is cataloged in the Federal Logistics Information System under NSN 5305-00-144-3726. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: September 2026