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Technical Data Sheet
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510 239 — 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 PANEL,BUILDING,PREFABRICATED is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 0.059 IN. THK IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-180-0265, 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
510 239
NSN: 5305-00-180-0265
FSC: 5305
CAGE: 77294 — PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY (USA)
SPECIFICATIONS
general_characteristics_item_description0.059 IN. THK IN
NSN5305-00-180-0265
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 510 239 · 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
•
SCREW MATERIAL: STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740
•
COUNTERSINK ANGLE: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
•
FASTENER LENGTH: 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
THREAD DIRECTION: RIGHT-HAND
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
SCREW MATERIALSTEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD DIRECTIONRIGHT-HAND
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE
HEAD STYLEFLAT COUNTERSUNK
NOMINAL THREAD DIAMETER0.190 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
S1029421-10-7Interchangeable
interchangeable cross-reference
interchangeable
1029421-10-7Interchangeable
interchangeable cross-reference
interchangeable
MILS7839Interchangeable
interchangeable cross-reference
interchangeable
51-0142GInterchangeable
interchangeable cross-reference
interchangeable
51-1269Interchangeable
interchangeable cross-reference
interchangeable
1800265Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 510 239?
510 239 is a PANEL,BUILDING,PREFABRICATED.
What parts can replace 510 239?
There are 8 known substitutes for 510 239: S1029421-10-7, 1029421-10-7, MILS7839 and 5 more. Substitute compatibility should be verified for your specific system.
Is 510 239 still available?
510 239 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026