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B4040764-4 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B4040764-4: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.312 INCHES NOMINAL IN, diameter: 0.188 INCHES NOMINAL IN, shoulder_length: 0.060 INCHES NOMINAL IN, special_features: SHOULDER IS KNURLED, style_designator: PROJECTION ONE END LEFT INTERNAL THREAD, shoulder_diameter: 0.150 INCHES MINIMUM AND 0.154 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-280-6311, 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
B4040764-4
NSN: 5340-01-280-6311
FSC: 5340 — Hardware, Commercial
CAGE: 56996 — DEPARTMENT OF THE ARMY HQ UNITED STATES ARMY COMMUNICATIONS RESEARCH AND DEVELOPMENT COMMAND (USA)
SPECIFICATIONS
length0.312 INCHES NOMINAL IN
diameter0.188 INCHES NOMINAL IN
shoulder_length0.060 INCHES NOMINAL IN
special_featuresSHOULDER IS KNURLED
style_designatorPROJECTION ONE END LEFT INTERNAL THREAD
shoulder_diameter0.150 INCHES MINIMUM AND 0.154 INCHES MAXIMUM IN
cross-sectional_shapeROUND
NSN5340-01-280-6311
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B4040764-4 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: 0.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PROJECTION ONE END LEFT INTERNAL THREAD
•
DIAMETER: 0.188 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE: ROUND
•
SHOULDER DIAMETER: 0.150 INCHES MINIMUM AND 0.154 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.060 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH0.312 INCHES NOMINAL IN
STYLE DESIGNATORPROJECTION ONE END LEFT INTERNAL THREAD
DIAMETER0.188 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPEROUND
SHOULDER DIAMETER0.150 INCHES MINIMUM AND 0.154 INCHES MAXIMUM IN
SPECIAL FEATURESSHOULDER IS KNURLED
SHOULDER LENGTH0.060 INCHES NOMINAL IN
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 1
T200055904Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 B4040764-4?
B4040764-4 is a STANDOFF,THREADED,SPACING.
What parts can replace B4040764-4?
There is 1 known substitute for B4040764-4: T200055904. Substitute compatibility should be verified for your specific system.
What is the NSN for B4040764-4?
B4040764-4 is cataloged in the U.S. Government catalog under NSN 5340-01-280-6311. This indicates validated use in U.S. government and defense supply chains.
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