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8591680 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8591680: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, head_style: PAN NO. 2, head_height: 0.112 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.183 INCHES NOMINAL IN, thread_length: 0.750 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-644-4964, 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
8591680
NSN: 5305-01-644-4964
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
head_stylePAN NO. 2
head_height0.112 INCHES NOMINAL IN
thread_class3A A
head_diameter0.183 INCHES NOMINAL IN
thread_length0.750 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
fastener_length1.375 INCHES NOMINAL IN
hardness_rating40.0 ROCKWELL B NOMINAL OVERALL
thread_directionRIGHT-HAND
width_across_flats0.094 INCHES NOMINAL IN
internal_drive_styleHEXAGON
end_item_identificationMK110 MOD O S
NSN5305-01-644-4964
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8591680 · 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: 0.094 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.112 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
•
HARDNESS RATING: 40.0 ROCKWELL B NOMINAL OVERALL
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.094 INCHES NOMINAL IN
HEAD HEIGHT0.112 INCHES NOMINAL IN
FASTENER LENGTH1.375 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
HARDNESS RATING40.0 ROCKWELL B NOMINAL OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH70000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLEHEXAGON
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

No substitute or cross-reference records for this part.

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 8591680?
8591680 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 8591680?
8591680 is cataloged in the U.S. Government catalog under NSN 5305-01-644-4964. This indicates validated use in U.S. government and defense supply chains.
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