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128CSM10962-11 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

128CSM10962-11: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.770 INCHES MINIMUM IN, screw_material: STEEL COMP E4340 OR STEEL COMP 4340, fastener_length: 1.031 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-950-0725, 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
128CSM10962-11
NSN: 5305-00-950-0725
FSC: 5305 — Screws
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length0.770 INCHES MINIMUM IN
screw_materialSTEEL COMP E4340 OR STEEL COMP 4340
fastener_length1.031 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
hardness_rating27.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
internal_drive_styleSLOT
nominal_thread_diameter0.250 INCHES IN
screw_surface_treatmentCADMIUM
NSN5305-00-950-0725
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 128CSM10962-11 · 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
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 1.031 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.770 INCHES MINIMUM IN
•
HARDNESS RATING: 27.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP E4340 OR STEEL COMP 4340
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH1.031 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
THREAD LENGTH0.770 INCHES MINIMUM IN
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP E4340 OR STEEL COMP 4340
MINIMUM TENSILE STRENGTH165000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLESLOT
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

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 128CSM10962-11?
128CSM10962-11 is a SCREW,MACHINE.
What is the NSN for 128CSM10962-11?
128CSM10962-11 is cataloged in the U.S. Government catalog under NSN 5305-00-950-0725. This indicates validated use in U.S. government and defense supply chains.
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