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10556183 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

10556183: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.080 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.175 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, thread_length: 0.133 INCHES NOMINAL IN, fastener_length: 0.445 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-046-8323, 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
10556183
NSN: 5305-01-046-8323
FSC: 5305 — Screws
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.080 INCHES NOMINAL IN
thread_class2A A
head_diameter0.175 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
thread_length0.133 INCHES NOMINAL IN
fastener_length0.445 INCHES NOMINAL IN
NSN5305-01-046-8323
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10556183 · 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: 0.080 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.445 INCHES NOMINAL IN
•
THREAD LENGTH: 0.133 INCHES NOMINAL IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD CLASS: 2A A
•
HEAD DIAMETER: 0.175 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.080 INCHES NOMINAL IN
FASTENER LENGTH0.445 INCHES NOMINAL IN
THREAD LENGTH0.133 INCHES NOMINAL IN
HEAD STYLEFLAT CHAMFER
THREAD CLASS2A A
HEAD DIAMETER0.175 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 10556183?
10556183 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 10556183?
10556183 is cataloged in the U.S. Government catalog under NSN 5305-01-046-8323. 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.