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2856-1028 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2856-1028: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, head_height: 0.159 INCHES MINIMUM AND 0.169 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, thread_length: 0.219 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-626-0334, 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
2856-1028
NSN: 5306-00-626-0334
FSC: 5306 — Bolts
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
head_height0.159 INCHES MINIMUM AND 0.169 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
thread_length0.219 INCHES MINIMUM IN
fastener_length0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.062 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.112 INCHES IN
NSN5306-00-626-0334
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2856-1028 · 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: 0.062 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.159 INCHES MINIMUM AND 0.169 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.219 INCHES MINIMUM IN
•
FIRST DIAMETER FROM HEAD: 0.080 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.062 INCHES NOMINAL IN
HEAD HEIGHT0.159 INCHES MINIMUM AND 0.169 INCHES MAXIMUM IN
FASTENER LENGTH0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
THREAD LENGTH0.219 INCHES MINIMUM IN
FIRST DIAMETER FROM HEAD0.080 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.328 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2856-1028?
2856-1028 is a BOLT,INTERNAL WRENCHING.
What is the NSN for 2856-1028?
2856-1028 is cataloged in the U.S. Government catalog under NSN 5306-00-626-0334. This indicates validated use in U.S. government and defense supply chains.
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