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Technical Data Sheet
PartsTable / COMPONENT / 5305PL1630640
5305PL1630640 ✓ 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 color: BLACK OVERALL, material: STEEL OVERALL, head_style: KNURLED NO. 1, thread_class: 3A A, head_diameter: 0.312 INCHES NOMINAL IN, thread_length: 0.313 INCHES MINIMUM AND 0.375 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 5305-01-286-9783, 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
5305PL1630640
NSN: 5305-01-286-9783
FSC: 5305
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
colorBLACK OVERALL
materialSTEEL OVERALL
head_styleKNURLED NO. 1
thread_class3A A
head_diameter0.312 INCHES NOMINAL IN
thread_length0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
fastener_length0.375 INCHES NOMINAL IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
width_across_flats0.156 INCHES NOMINAL IN
internal_drive_styleHEXAGON
NSN5305-01-286-9783
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5305PL1630640 · 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 DIRECTION: RIGHT-HAND
•
THREAD LENGTH: 0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
•
THREAD CLASS: 3A A
•
COLOR: BLACK OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
THREAD SERIES DESIGNATOR: UNF
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
THREAD CLASS3A A
COLORBLACK OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD SERIES DESIGNATORUNF
FASTENER LENGTH0.375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH32
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
820-38Interchangeable
interchangeable cross-reference
interchangeable
211-540-9138Interchangeable
interchangeable cross-reference
interchangeable
9039076Interchangeable
interchangeable cross-reference
interchangeable
82038-000Interchangeable
interchangeable cross-reference
interchangeable
4250-020-13Interchangeable
interchangeable cross-reference
interchangeable
820238Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5305PL1630640?
5305PL1630640 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 5305PL1630640?
There are 10 known substitutes for 5305PL1630640: 820-38, 211-540-9138, 9039076 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5305PL1630640?
5305PL1630640 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-286-9783. 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