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HK08004 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HK08004: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.188 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.325 INCHES NOMINAL IN, thread_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-451-9685, 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
HK08004
NSN: 5305-01-451-9685
FSC: 5305 — Screws
CAGE: 74445 — H-K CONNECTICUT HOLDING COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.188 INCHES NOMINAL IN
thread_class2A A
head_diameter0.325 INCHES NOMINAL IN
thread_length0.375 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.875 INCHES NOMINAL IN
shoulder_length0.500 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.250 INCHES NOMINAL FIRST SHOULDER IN
surface_treatmentOXIDE OVERALL
NSN5305-01-451-9685
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HK08004 · 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: 0.125 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.188 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.875 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.500 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.250 INCHES NOMINAL FIRST SHOULDER IN
•
THREAD LENGTH: 0.375 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.125 INCHES NOMINAL IN
HEAD HEIGHT0.188 INCHES NOMINAL IN
FASTENER LENGTH0.875 INCHES NOMINAL IN
SHOULDER LENGTH0.500 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.250 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH0.375 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 1
MS-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 HK08004?
HK08004 is a SCREW,SHOULDER.
What parts can replace HK08004?
There is 1 known substitute for HK08004: MS-2. Substitute compatibility should be verified for your specific system.
What is the NSN for HK08004?
HK08004 is cataloged in the U.S. Government catalog under NSN 5305-01-451-9685. 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.