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3681065 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3681065: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 7.5 MILLIMETERS NOMINAL MM, thread_length: 30.0 MILLIMETERS MINIMUM AND 38.7 MILLIMETERS MAXIMUM MM, fastener_length: 77.5 MILLIMETERS NOMINAL MM, special_features: NOMINAL THREAD DIA-12 MM;HARDNESS RATING ROCKWELL C32-C39 MM. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-321-5564, 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
3681065
NSN: 5340-00-321-5564
NIINs: 003215564, 015518089
FSC: 5340 — Hardware, Commercial
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height7.5 MILLIMETERS NOMINAL MM
thread_length30.0 MILLIMETERS MINIMUM AND 38.7 MILLIMETERS MAXIMUM MM
fastener_length77.5 MILLIMETERS NOMINAL MM
special_featuresNOMINAL THREAD DIA-12 MM;HARDNESS RATING ROCKWELL C32-C39 MM
thread_directionRIGHT-HAND
surface_treatmentCHROMATE ZINC OVERALL
width_between_flats18.0 MILLIMETERS MINIMUM AND 19.0 MILLIMETERS MAXIMUM MM
supplementary_featuresNOMINAL THREAD DIA-12 MM; HARDNESS RATING RATING ROCKWELL C32-C39; CLASS 6G THREAD FIT G
end_item_identification3990-01-444-5196, CONCRETE MIXER, ENGINEERING MISSION MODULE (EMM) FOR THE PALLETIZED LOADING SYSTEM
minimum_tensile_strength145 POUNDS PER SQUARE INCH LBS
NSN5340-00-321-5564
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3681065 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING HOLE SIZE: 0.281 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 1.375 INCHES NOMINAL IN
•
MOUNTING PAD: NOT INCLUDED
•
STYLE DESIGNATOR: STRAIGHT ARCH
•
MATERIAL THICKNESS: 0.0598 INCHES NOMINAL IN
•
CUSHION: NOT INCLUDED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE SIZE0.281 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS1.375 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
STYLE DESIGNATORSTRAIGHT ARCH
OVERALL LENGTH2.000 INCHES NOMINAL IN
OVERALL WIDTH0.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.0598 INCHES NOMINAL IN
CUSHIONNOT INCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.688 INCHES NOMINAL IN
MATERIALSTEEL LOCATION NOT OTHERWISE SPECIFIED
SUBSTITUTES & CROSS-REFERENCES 1
594989Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3681065?
3681065 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 3681065?
There is 1 known substitute for 3681065: 594989. Substitute compatibility should be verified for your specific system.
What is the NSN for 3681065?
3681065 is cataloged in the U.S. Government catalog under NSN 5340-00-321-5564. This indicates validated use in U.S. government and defense supply chains.
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