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HS4103 — SCREW ASSEMBLY,PANEL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HS4103: SCREW ASSEMBLY,PANEL.

The SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 STAND-OFF, head_style: PAN, head_height: 0.189 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.475 INCHES NOMINAL IN, thread_length: 0.535 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-470-5922, 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
NSN: 5305-01-470-5922
NIINs: 014705922, 014705931, 015619483
FSC: 5305 — Screws
CAGE: 02731 — MCDONNELL DOUGLAS HELICOPTER CO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 304 STAND-OFF
head_stylePAN
head_height0.189 INCHES NOMINAL IN
thread_class3A A
head_diameter0.475 INCHES NOMINAL IN
thread_length0.535 INCHES NOMINAL IN
fastener_length0.281 INCHES NOMINAL IN
special_featuresALLY STEEL 8740 PER AMS 6322 IS THE MATERIAL HEAT TREATMENT IS HARDNESS RC 38041 FINISH IS CADMIUM PLATE PER QQ-P-416,TYPE II, CLASS 2
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
internal_drive_styleCROSS RECESS TYPE II
end_item_identification1520-01-3558-8250 HELICOPTER,ATTACK,AH-64D
NSN5305-01-470-5922
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HS4103 · 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: 0.110 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.035 INCHES NOMINAL IN
•
THREAD LENGTH: 1.035 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.1640 INCHES IN
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.110 INCHES NOMINAL IN
FASTENER LENGTH1.035 INCHES NOMINAL IN
THREAD LENGTH1.035 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.1640 INCHES IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESALLY STEEL 8740 PER AMS 6322 IS THE MATERIAL HEAT TREATMENT IS HARDNESS RC 38041 FINISH IS CADMIUM PLATE PER QQ-P-416,TYPE II, CLASS 2
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD CLASS3A A
END ITEM IDENTIFICATION1520013558250
SUBSTITUTES & CROSS-REFERENCES 3
HS4103-8K-7Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
PPD79-8K-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
FT1135-8K-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 HS4103?
HS4103 is a SCREW ASSEMBLY,PANEL.
What parts can replace HS4103?
There are 3 known substitutes for HS4103: HS4103-8K-7, PPD79-8K-7, FT1135-8K-7. Substitute compatibility should be verified for your specific system.
What is the NSN for HS4103?
HS4103 is cataloged in the U.S. Government catalog under NSN 5305-01-470-5922. 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.