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39960-4 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

39960-4: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN, thread_class: 3A A, hole_diameter: 0.043 INCHES NOMINAL IN, thread_length: 0.250 INCHES MAXIMUM IN, screw_material: STEEL COMP 302. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-150-9265, 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
39960-4
NSN: 5305-00-150-9265
NIINs: 001509265, 008104650
FSC: 5305 — Screws
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
thread_class3A A
hole_diameter0.043 INCHES NOMINAL IN
hole_quantity6
thread_length0.250 INCHES MAXIMUM IN
screw_materialSTEEL COMP 302
fastener_length0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.312 INCHES NOMINAL IN
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
NSN5305-00-150-9265
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 39960-4 · 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: 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.731 INCHES MINIMUM AND 0.954 INCHES MAXIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FILLISTER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH1.000 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.731 INCHES MINIMUM AND 0.954 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 8630
SUBSTITUTES & CROSS-REFERENCES 2
MILS7839Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN503-416-16Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 39960-4?
39960-4 is a SCREW,MACHINE.
What parts can replace 39960-4?
There are 2 known substitutes for 39960-4: MILS7839, AN503-416-16. Substitute compatibility should be verified for your specific system.
What is the NSN for 39960-4?
39960-4 is cataloged in the U.S. Government catalog under NSN 5305-00-150-9265. This indicates validated use in U.S. government and defense supply chains.
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