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250-0039-056 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

250-0039-056: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT CHAMFER, head_height: 0.109 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, thread_length: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-374-1792, 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
250-0039-056
NSN: 5305-01-374-1792
FSC: 5305 — Screws
CAGE: 71468 — ITT CANNON LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT CHAMFER
head_height0.109 INCHES NOMINAL IN
thread_class2A A
head_diameter0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
thread_length0.125 INCHES NOMINAL IN
fastener_length0.247 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.112 INCHES IN
NSN5305-01-374-1792
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 250-0039-056 · 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: 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.109 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.247 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.125 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A484, 300 SERIES ASSN STD ALL MATERIAL RESPONSES AND ASTM A582, 300 SERIES ASSN STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
HEAD HEIGHT0.109 INCHES NOMINAL IN
FASTENER LENGTH0.247 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A484, 300 SERIES ASSN STD ALL MATERIAL RESPONSES AND ASTM A582, 300 SERIES ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTPASSIVATE OVERALL
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 1
717801207-002Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 250-0039-056?
250-0039-056 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 250-0039-056?
There is 1 known substitute for 250-0039-056: 717801207-002. Substitute compatibility should be verified for your specific system.
What is the NSN for 250-0039-056?
250-0039-056 is cataloged in the U.S. Government catalog under NSN 5305-01-374-1792. 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.