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0178045 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

0178045: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, head_style: BUTTON, head_height: 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.298 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_length: 0.578 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-731-2164, 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
0178045
NSN: 5305-01-731-2164
FSC: 5305 — Screws
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
head_styleBUTTON
head_height0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.298 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_length0.578 INCHES NOMINAL IN
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentUNABLE TO DECODE
width_across_flats0.094 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.1640 INCHES IN
NSN5305-01-731-2164
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0178045 · 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: 0.094 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
THREAD LENGTH: 0.578 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
NOMINAL THREAD DIAMETER: 0.1640 INCHES IN
•
HEAD STYLE: BUTTON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.094 INCHES NOMINAL IN
HEAD HEIGHT0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
THREAD LENGTH0.578 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
NOMINAL THREAD DIAMETER0.1640 INCHES IN
HEAD STYLEBUTTON
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA0U583-SAE J2295 INTERNATIONAL STD/SPEC
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 1
3-125-0002 ITEM NO 56Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 0178045?
0178045 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 0178045?
There is 1 known substitute for 0178045: 3-125-0002 ITEM NO 56. Substitute compatibility should be verified for your specific system.
What is the NSN for 0178045?
0178045 is cataloged in the U.S. Government catalog under NSN 5305-01-731-2164. This indicates validated use in U.S. government and defense supply chains.
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