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B71645 — STUD,LOCK PIN FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

B71645: STUD,LOCK PIN FASTENER.

The STUD,LOCK PIN FASTENER is a the manufacturer industrial component. Key specifications include fastener_style: LOCK PIN, pinhole_diameter: 0.156 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN, special_features: THREADED END CHAMFERED (.0625" X 45 DEGREES), 5.5" LENGTH, stud_body_diameter: 0.494 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN, end_item_identification: HEAVYWEIGHT TORPEDO, fastener_stud_shank_length: 2.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-516-7292, 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
B71645
NSN: 5325-01-516-7292
FSC: 5325 — Fastening Devices
CAGE: 05825 — O T S I (USA)
SPECIFICATIONS
fastener_styleLOCK PIN
pinhole_diameter0.156 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
special_featuresTHREADED END CHAMFERED (.0625" X 45 DEGREES), 5.5" LENGTH
stud_body_diameter0.494 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
end_item_identificationHEAVYWEIGHT TORPEDO
fastener_stud_shank_length2.250 INCHES NOMINAL IN
fastener_stud_shank_diameter0.466 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
thread_size_and_series/type_designator0.500-13 UNIFIED NATIONAL COARSE (UNC)
length_from_body_hole_center_to_body_end0.3125 INCHES NOMINAL IN
length_from_body_shoulder_to_hole_center1.9385 INCHES NOMINAL IN
NSN5325-01-516-7292
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B71645 · 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
•
FASTENER STUD SHANK LENGTH: 2.250 INCHES NOMINAL IN
•
LENGTH FROM BODY SHOULDER TO HOLE CENTER: 1.9385 INCHES NOMINAL IN
•
FASTENER STUD SHANK DIAMETER: 0.466 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
•
FASTENER STYLE: LOCK PIN
•
STUD BODY DIAMETER: 0.494 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
•
PINHOLE DIAMETER: 0.156 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FASTENER STUD SHANK LENGTH2.250 INCHES NOMINAL IN
LENGTH FROM BODY SHOULDER TO HOLE CENTER1.9385 INCHES NOMINAL IN
FASTENER STUD SHANK DIAMETER0.466 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
FASTENER STYLELOCK PIN
STUD BODY DIAMETER0.494 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
SPECIAL FEATURESTHREADED END CHAMFERED (.0625" X 45 DEGREES), 5.5" LENGTH
PINHOLE DIAMETER0.156 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONHEAVYWEIGHT TORPEDO
LENGTH FROM BODY HOLE CENTER TO BODY END0.3125 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.500-13 UNIFIED NATIONAL COARSE (UNC)
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
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 B71645?
B71645 is a STUD,LOCK PIN FASTENER.
What is the NSN for B71645?
B71645 is cataloged in the U.S. Government catalog under NSN 5325-01-516-7292. This indicates validated use in U.S. government and defense supply chains.
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