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Technical Data Sheet
PartsTable / COMPONENT / 23037239
23037239 ✓ 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 BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.319 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.408 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, fastener_length: 4.023 INCHES NOMINAL IN, width_between_flats: 0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-076-4205, 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
23037239
NSN: 5306-00-076-4205
FSC: 5306
CAGE: 4GP55 — ACUFAST AIRCRAFT PRODUCTS (USA)
SPECIFICATIONS
head_styleDOUBLE HEXAGON W/HOLE
head_height0.319 INCHES NOMINAL IN
thread_class3A A
thread_length0.408 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
fastener_length4.023 INCHES NOMINAL IN
width_between_flats0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
extended_washer_diameter0.580 INCHES NOMINAL IN
fifth_diameter_from_head0.312 INCHES NOMINAL IN
first_diameter_from_head0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
third_diameter_from_head0.309 INCHES NOMINAL IN
extended_washer_thickness0.050 INCHES NOMINAL IN
fourth_diameter_from_head0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN
NSN5306-00-076-4205
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 23037239 · 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 THIRD DIAMETER: 1.840 INCHES NOMINAL IN
•
FASTENER LENGTH: 4.023 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
THIRD DIAMETER FROM HEAD: 0.309 INCHES NOMINAL IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER: 2.150 INCHES NOMINAL IN
•
FIFTH DIAMETER FROM HEAD: 0.312 INCHES NOMINAL IN
•
FOURTH DIAMETER FROM HEAD: 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN
•
EXTENDED WASHER THICKNESS: 0.050 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER1.840 INCHES NOMINAL IN
FASTENER LENGTH4.023 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
THIRD DIAMETER FROM HEAD0.309 INCHES NOMINAL IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER2.150 INCHES NOMINAL IN
FIFTH DIAMETER FROM HEAD0.312 INCHES NOMINAL IN
FOURTH DIAMETER FROM HEAD0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN
EXTENDED WASHER THICKNESS0.050 INCHES NOMINAL IN
FIRST DIAMETER FROM HEAD0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
THREAD CLASS3A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
3024399Interchangeable
interchangeable cross-reference
interchangeable
2924Interchangeable
interchangeable cross-reference
interchangeable
6825364Interchangeable
Same NIIN cross-reference
interchangeable
5306PL0850450Interchangeable
Same NIIN cross-reference
interchangeable
02924Interchangeable
Same NIIN cross-reference
interchangeable
6784932Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 23037239?
23037239 is a BOLT,EXTERNALLY RELIEVED BODY.
What parts can replace 23037239?
There are 6 known substitutes for 23037239: 3024399, 2924, 6825364 and 3 more. Substitute compatibility should be verified for your specific system.
Is 23037239 still available?
23037239 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026