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Technical Data Sheet
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P256-2SS — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

P256-2SS: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN NO. 2, head_height: 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN, thread_length: 0.063 INCHES MINIMUM IN, screw_material: STEEL CORROSION RESISTING.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-043-5686, 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
P256-2SS
NSN: 5305-01-043-5686
FSC: 5305 — Screws
CAGE: 74067 — KEUFFEL AND ESSER CO (USA)
SPECIFICATIONS
head_stylePAN NO. 2
head_height0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
thread_length0.063 INCHES MINIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.086 INCHES IN
thread_quantity_per_inch56
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-043-5686
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: P256-2SS · 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: 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.125 INCHES NOMINAL IN
•
THREAD LENGTH: 0.063 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.086 INCHES IN
•
HEAD STYLE: PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
FASTENER LENGTH0.125 INCHES NOMINAL IN
THREAD LENGTH0.063 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.086 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL CORROSION RESISTING
INTERNAL DRIVE STYLESLOT
THREAD CLASS2A A
THREAD QUANTITY PER INCH56
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P256-2SS?
P256-2SS is a SCREW,MACHINE.
What is the NSN for P256-2SS?
P256-2SS is cataloged in the U.S. Government catalog under NSN 5305-01-043-5686. This indicates validated use in U.S. government and defense supply chains.
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