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HS4103-8B-2 — SCREW,PANEL FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HS4103-8B-2: SCREW,PANEL FASTENER.

The SCREW,PANEL FASTENER is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, thread_class: 3A A, thread_length: 0.250 INCHES NOMINAL IN, fastener_length: 0.410 INCHES NOMINAL IN, end_item_identification: APACHE ATTACK HELICOPTER, nominal_thread_diameter: 0.1640 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-506-6574, 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
HS4103-8B-2
NSN: 5305-01-506-6574
FSC: 5305 — Screws
CAGE: 8V613 — THE BOEING COMPANY (USA)
SPECIFICATIONS
head_styleHEXAGON
thread_class3A A
thread_length0.250 INCHES NOMINAL IN
fastener_length0.410 INCHES NOMINAL IN
end_item_identificationAPACHE ATTACK HELICOPTER
nominal_thread_diameter0.1640 INCHES IN
minimum_tensile_strength1700 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch32
thread_series_designatorUNJC
part_name_assigned_by_controlling_agencySCREW, CAPTIVE
NSN5305-01-506-6574
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HS4103-8B-2 · 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
•
FASTENER LENGTH: 0.410 INCHES NOMINAL IN
•
THREAD LENGTH: 0.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.1640 INCHES IN
•
HEAD STYLE: HEXAGON
•
MINIMUM TENSILE STRENGTH: 1700 POUNDS PER SQUARE INCH LBS
•
MINIMUM YIELD STRENGTH: 1400 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.410 INCHES NOMINAL IN
THREAD LENGTH0.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.1640 INCHES IN
HEAD STYLEHEXAGON
SPECIAL FEATURESMATERIAL SCREW ALLOY STEEL 8740 PER AMS 6322 OR EQUIVALENT, SLEEVE CRES 304 PER AMS-QQ-S-763; HEAT TREAT SCREW HARNESS RC 38-41, SLEEVE NONE; FINISH SCREW CADMIUM PLATE PER AMS-QQ-P-416, TYPE II, CLASS 2, SLEEVE CADMIUM PLATE PER AMS-QQ-P-416, TYPE II, CLASS 2; THREAD PER MIL-S-8879; GRIP THICKNESS 0.063-0.125 INCH IN
MINIMUM TENSILE STRENGTH1700 POUNDS PER SQUARE INCH LBS
MINIMUM YIELD STRENGTH1400 POUNDS PER SQUARE INCH LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, CAPTIVE
THREAD CLASS3A A
END ITEM IDENTIFICATIONAPACHE ATTACK HELICOPTER
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HS4103-8B-2?
HS4103-8B-2 is a SCREW,PANEL FASTENER.
What is the NSN for HS4103-8B-2?
HS4103-8B-2 is cataloged in the U.S. Government catalog under NSN 5305-01-506-6574. This indicates validated use in U.S. government and defense supply chains.
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