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031568 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

031568: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEXAGON, head_height: 0.070 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.300 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-196-8636, 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
031568
NSN: 5305-01-196-8636
FSC: 5305 — Screws
CAGE: K6111 — QIOPTIQ LTD (GBR)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEXAGON
head_height0.070 INCHES NOMINAL IN
thread_class2A A
thread_length0.300 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.750 INCHES NOMINAL IN
shoulder_length0.250 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.250 INCHES NOMINAL FIRST SHOULDER IN
width_across_flats0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
width_between_flats0.400 INCHES NOMINAL IN
NSN5305-01-196-8636
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 031568 · 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: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.070 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.250 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.250 INCHES NOMINAL FIRST SHOULDER IN
•
THREAD LENGTH: 0.300 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
HEAD HEIGHT0.070 INCHES NOMINAL IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
SHOULDER LENGTH0.250 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.250 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH0.300 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEHEXAGON
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

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 031568?
031568 is a SCREW,SHOULDER.
What is the NSN for 031568?
031568 is cataloged in the U.S. Government catalog under NSN 5305-01-196-8636. This indicates validated use in U.S. government and defense supply chains.
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