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Technical Data Sheet
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2037569 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2037569: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, head_style: FLAT CHAMFER, head_height: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.558 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN, thread_length: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-766-5489, 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
2037569
NSN: 5306-00-766-5489
FSC: 5306 — Bolts
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
head_styleFLAT CHAMFER
head_height0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.558 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN
thread_length0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
fastener_length1.190 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN
special_featuresHEAD STRAIGHT KNURLED
thread_directionRIGHT-HAND
surface_treatmentPAINT OVERALL
width_across_flats0.313 INCHES NOMINAL IN
internal_drive_styleHEXAGON
NSN5306-00-766-5489
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2037569 · 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
•
WIDTH ACROSS FLATS: 0.313 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.190 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.313 INCHES NOMINAL IN
HEAD HEIGHT0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
FASTENER LENGTH1.190 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN
THREAD LENGTH0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.810 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES 1
M020028-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2037569?
2037569 is a BOLT,INTERNAL WRENCHING.
What parts can replace 2037569?
There is 1 known substitute for 2037569: M020028-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 2037569?
2037569 is cataloged in the U.S. Government catalog under NSN 5306-00-766-5489. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.