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9139505 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9139505: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 2.880 INCHES NOMINAL IN, diameter: 0.376 INCHES NOMINAL IN, corner_radius: 0.016 INCHES NOMINAL IN, flange_diameter: 0.500 INCHES NOMINAL IN, flange_thickness: 0.120 INCHES NOMINAL IN, style_designator: FLANGED LEFT INTERNAL THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-589-8254, 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
9139505
NSN: 5340-00-589-8254
FSC: 5340 — Hardware, Commercial
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
length2.880 INCHES NOMINAL IN
diameter0.376 INCHES NOMINAL IN
corner_radius0.016 INCHES NOMINAL IN
flange_diameter0.500 INCHES NOMINAL IN
flange_thickness0.120 INCHES NOMINAL IN
style_designatorFLANGED LEFT INTERNAL THREAD
cross-sectional_shapeROUND
NSN5340-00-589-8254
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9139505 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
•
FLANGE DIAMETER: 0.500 INCHES NOMINAL IN
•
CORNER RADIUS: 0.016 INCHES NOMINAL IN
•
LENGTH: 2.880 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.120 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLANGED LEFT INTERNAL THREAD
•
DIAMETER: 0.376 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE: ROUND
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.500 INCHES NOMINAL IN
CORNER RADIUS0.016 INCHES NOMINAL IN
LENGTH2.880 INCHES NOMINAL IN
FLANGE THICKNESS0.120 INCHES NOMINAL IN
STYLE DESIGNATORFLANGED LEFT INTERNAL THREAD
DIAMETER0.376 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPEROUND
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 9139505?
9139505 is a STANDOFF,THREADED,SPACING.
What is the NSN for 9139505?
9139505 is cataloged in the U.S. Government catalog under NSN 5340-00-589-8254. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.