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Technical Data Sheet
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PB50539-1 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

PB50539-1: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.109 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.187 INCHES NOMINAL IN, hole_diameter: 0.036 INCHES NOMINAL IN, thread_length: 0.152 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-262-9598, 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
PB50539-1
NSN: 5305-00-262-9598
FSC: 5305 — Screws
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.109 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.187 INCHES NOMINAL IN
hole_diameter0.036 INCHES NOMINAL IN
hole_quantity1
thread_length0.152 INCHES MINIMUM IN
screw_materialCOPPER ALLOY 360
fastener_length0.177 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
hardness_rating65.0 ROCKWELL B MINIMUM AND 85.0 ROCKWELL B MAXIMUM
thread_directionRIGHT-HAND
internal_drive_styleSLOT
NSN5305-00-262-9598
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PB50539-1 · 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: 0.109 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: NICKEL
•
FASTENER LENGTH: 0.177 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4610 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.152 INCHES MINIMUM IN
•
HARDNESS RATING: 65.0 ROCKWELL B MINIMUM AND 85.0 ROCKWELL B MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.109 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTNICKEL
FASTENER LENGTH0.177 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4610 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.152 INCHES MINIMUM IN
HARDNESS RATING65.0 ROCKWELL B MINIMUM AND 85.0 ROCKWELL B MAXIMUM
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALCOPPER ALLOY 360
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PB50539-1?
PB50539-1 is a SCREW,MACHINE.
What is the NSN for PB50539-1?
PB50539-1 is cataloged in the U.S. Government catalog under NSN 5305-00-262-9598. This indicates validated use in U.S. government and defense supply chains.
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