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3970536037 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3970536037: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: CHAMFER FLANGE, head_height: 0.73 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.75 INCHES NOMINAL IN, fastener_length: 3.25 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-666-3293, 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
3970536037
NSN: 5305-01-666-3293
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleCHAMFER FLANGE
head_height0.73 INCHES MAXIMUM IN
thread_class2A A
thread_length1.75 INCHES NOMINAL IN
fastener_length3.25 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE ZINC OVERALL
width_between_flats1.1000 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
end_item_identificationMRAP - M-ATV
nominal_thread_diameter0.75 INCHES IN
extended_washer_diameter1.59 INCHES MAXIMUM IN
NSN5305-01-666-3293
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3970536037 · 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
•
HEAD HEIGHT: 0.73 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.25 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 1.59 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.75 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.75 INCHES IN
•
HEAD STYLE: CHAMFER FLANGE
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 1.1000 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.73 INCHES MAXIMUM IN
FASTENER LENGTH3.25 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER1.59 INCHES MAXIMUM IN
THREAD LENGTH1.75 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.75 INCHES IN
HEAD STYLECHAMFER FLANGE
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.1000 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
COLORBLACK OVERALL
SURFACE TREATMENTPHOSPHATE ZINC OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 1
3970536Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3970536037?
3970536037 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 3970536037?
There is 1 known substitute for 3970536037: 3970536. Substitute compatibility should be verified for your specific system.
What is the NSN for 3970536037?
3970536037 is cataloged in the U.S. Government catalog under NSN 5305-01-666-3293. 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.