PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 5305007312028
5305007312028 ✓ 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,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.455 INCHES NOMINAL IN, thread_length: 0.160 INCHES MINIMUM IN, fastener_length: 0.500 INCHES NOMINAL 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 5305-00-731-2028, 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
5305007312028
NSN: 5305-00-731-2028
FSC: 5305
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
materialSTEEL COMP 1035 OVERALL
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.455 INCHES NOMINAL IN
thread_length0.160 INCHES MINIMUM IN
fastener_length0.500 INCHES NOMINAL IN
hardness_rating47.0 ROCKWELL C NOMINAL OVERALL
thread_directionRIGHT-HAND
countersink_angle83.0 DEGREES MINIMUM AND 85.0 DEGREES MAXIMUM
surface_treatmentPHOSPHATE OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.250 INCHES IN
NSN5305-00-731-2028
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5305007312028 · 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
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER: 0.340 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
•
COUNTERSINK ANGLE: 83.0 DEGREES MINIMUM AND 85.0 DEGREES MAXIMUM
•
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY: 1
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A675 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: PHOSPHATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.340 INCHES NOMINAL IN
FASTENER LENGTH0.500 INCHES NOMINAL IN
THREAD CLASS2A A
COUNTERSINK ANGLE83.0 DEGREES MINIMUM AND 85.0 DEGREES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A675 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTPHOSPHATE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
MATERIALSTEEL COMP 1035 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
895450001Interchangeable
interchangeable cross-reference
interchangeable
A10587Interchangeable
interchangeable cross-reference
interchangeable
20-101-0030Interchangeable
interchangeable cross-reference
interchangeable
101-0030Interchangeable
interchangeable cross-reference
interchangeable
53057312028Interchangeable
Same NIIN cross-reference
interchangeable
1005-731-2028Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5305007312028?
5305007312028 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace 5305007312028?
There are 10 known substitutes for 5305007312028: 895450001, A10587, 20-101-0030 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5305007312028?
5305007312028 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-731-2028. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026