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BSOS-M3-6 — STANDOFF,THREADED,SNAP-IN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BSOS-M3-6: STANDOFF,THREADED,SNAP-IN.

The STANDOFF,THREADED,SNAP-IN is a the manufacturer industrial component. Key specifications include length: 4.170 INCHES NOMINAL IN, material: STEEL COMP 303 STANDOFF, thread_length: 4.170 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD, thread_direction: LEFT-HAND LEFT INTERNAL (INCLUDES THRU THREAD), nominal_thread_size: 0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-647-3480, 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
BSOS-M3-6
NSN: 5340-01-647-3480
FSC: 5340 — Hardware, Commercial
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
length4.170 INCHES NOMINAL IN
materialSTEEL COMP 303 STANDOFF
thread_length4.170 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
thread_directionLEFT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
nominal_thread_size0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
thread_pitch_diameters-25.0 TO 50.0 INCHES LEFT EXTERNAL IN
right_projection_length0.246 INCHES MINIMUM IN
thread_quantity_per_inch32 LEFT INTERNAL (INCLUDES THRU THREAD)
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
right_projection_diameter0.138 INCHES NOMINAL IN
NSN5340-01-647-3480
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BSOS-M3-6 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LENGTH: 4.170 INCHES NOMINAL IN
•
THREAD LENGTH: 4.170 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
THREAD PITCH DIAMETERS: -25.0 TO 50.0 INCHES LEFT EXTERNAL IN
•
THREAD DIRECTION: LEFT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
•
NOMINAL THREAD SIZE: 0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
THREAD QUANTITY PER INCH: 32 LEFT INTERNAL (INCLUDES THRU THREAD)
•
MATERIAL: STEEL COMP 303 STANDOFF
TECHNICAL CHARACTERISTICS
LENGTH4.170 INCHES NOMINAL IN
THREAD LENGTH4.170 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
THREAD PITCH DIAMETERS-25.0 TO 50.0 INCHES LEFT EXTERNAL IN
THREAD DIRECTIONLEFT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
THREAD QUANTITY PER INCH32 LEFT INTERNAL (INCLUDES THRU THREAD)
MATERIALSTEEL COMP 303 STANDOFF
RIGHT PROJECTION DIAMETER0.138 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 BSOS-M3-6?
BSOS-M3-6 is a STANDOFF,THREADED,SNAP-IN.
What is the NSN for BSOS-M3-6?
BSOS-M3-6 is cataloged in the U.S. Government catalog under NSN 5340-01-647-3480. This indicates validated use in U.S. government and defense supply chains.
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