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0159-50-065-0001 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

0159-50-065-0001: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: FLAT CHAMFER, head_height: 0.158 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-412-1739, 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
0159-50-065-0001
NSN: 5305-01-412-1739
FSC: 5305 — Screws
CAGE: 59885 — ROSEMOUNT AEROSPACE INC DBA ROSEMOUNT AEROSPACE INC (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleFLAT CHAMFER
head_height0.158 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_length0.375 INCHES NOMINAL IN
fastener_length0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.1415 INCHES MINIMUM AND 0.1417 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.164 INCHES IN
NSN5305-01-412-1739
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0159-50-065-0001 · 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: 0.1415 INCHES MINIMUM AND 0.1417 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.158 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.375 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.1415 INCHES MINIMUM AND 0.1417 INCHES MAXIMUM IN
HEAD HEIGHT0.158 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
FASTENER LENGTH0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0159-50-065-0001?
0159-50-065-0001 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 0159-50-065-0001?
0159-50-065-0001 is cataloged in the U.S. Government catalog under NSN 5305-01-412-1739. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.