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721649-15 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

721649-15: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 2.000 INCHES NOMINAL IN, groove_width: 0.047 INCHES NOMINAL IN, groove_diameter: 0.151 INCHES MAXIMUM IN, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD, width_across_flats: 0.380 INCHES NOMINAL IN, cross-sectional_shape: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-055-2310, 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
721649-15
NSN: 5340-00-055-2310
FSC: 5340 — Hardware, Commercial
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
length2.000 INCHES NOMINAL IN
groove_width0.047 INCHES NOMINAL IN
groove_diameter0.151 INCHES MAXIMUM IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
width_across_flats0.380 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
NSN5340-00-055-2310
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 721649-15 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
•
WIDTH ACROSS FLATS: 0.380 INCHES NOMINAL IN
•
LENGTH: 2.000 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.151 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
GROOVE WIDTH: 0.047 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.380 INCHES NOMINAL IN
LENGTH2.000 INCHES NOMINAL IN
GROOVE DIAMETER0.151 INCHES MAXIMUM IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
CROSS-SECTIONAL SHAPEHEXAGON
GROOVE WIDTH0.047 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 3
9766SS1032-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
860456-133Reference document
Same NSN cross-reference
Reference document — Secondary reference
11455972Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 721649-15?
721649-15 is a STANDOFF,THREADED,SPACING.
What parts can replace 721649-15?
There are 3 known substitutes for 721649-15: 9766SS1032-7, 860456-133, 11455972. Substitute compatibility should be verified for your specific system.
What is the NSN for 721649-15?
721649-15 is cataloged in the U.S. Government catalog under NSN 5340-00-055-2310. This indicates validated use in U.S. government and defense supply chains.
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