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161-589 — SPRING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

161-589: SPRING.

The SPRING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: ROUND, head_height: 0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN, head_diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, fastener_length: 0.375 INCHES NOMINAL IN, features_provided: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-016-1589, 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
161-589
NSN: 5305-00-016-1589
NIINs: 000161589, 009153728
FSC: 5305 — Screws
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleROUND
head_height0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
head_diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
fastener_length0.375 INCHES NOMINAL IN
features_providedCASEHARDENED
surface_treatmentCADMIUM OR ZINC OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nonmachine_thread_styleGIMLET POINT (TYPE A, AB OR BA)
nonmachine_nominal_thread_diameter0.138 INCHES IN
NSN5305-00-016-1589
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 161-589 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD HEIGHT: 0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
NONMACHINE THREAD STYLE: GIMLET POINT (TYPE A, AB OR BA)
•
FEATURES PROVIDED: CASEHARDENED
•
HEAD STYLE: ROUND
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD HEIGHT0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
FASTENER LENGTH0.375 INCHES NOMINAL IN
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
FEATURES PROVIDEDCASEHARDENED
HEAD STYLEROUND
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIALSTEEL OVERALL
HEAD DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
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 161-589?
161-589 is a SPRING.
What is the NSN for 161-589?
161-589 is cataloged in the U.S. Government catalog under NSN 5305-00-016-1589. This indicates validated use in U.S. government and defense supply chains.
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