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3491-6802 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3491-6802: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 3.181 INCHES MINIMUM AND 3.193 INCHES MAXIMUM IN, diameter: 1.2475 INCHES MINIMUM AND 1.2525 INCHES MAXIMUM IN, left_slot_width: 0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, style_designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS, cross-sectional_shape: ROUND, left_counterbore_depth: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-077-1463, 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
3491-6802
NSN: 5340-01-077-1463
FSC: 5340 — Hardware, Commercial
CAGE: 13850 — TECHNIPOWER LLC DBA UNIPOWER (USA)
SPECIFICATIONS
length3.181 INCHES MINIMUM AND 3.193 INCHES MAXIMUM IN
diameter1.2475 INCHES MINIMUM AND 1.2525 INCHES MAXIMUM IN
left_slot_width0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
style_designatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
cross-sectional_shapeROUND
left_counterbore_depth0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
right_counterbore_depth0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
left_counterbore_diameter0.386 INCHES NOMINAL IN
NSN5340-01-077-1463
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3491-6802 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
•
LEFT COUNTERBORE DEPTH: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
•
LENGTH: 3.181 INCHES MINIMUM AND 3.193 INCHES MAXIMUM IN
•
LEFT SLOT WIDTH: 0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
DIAMETER: 1.2475 INCHES MINIMUM AND 1.2525 INCHES MAXIMUM IN
•
RIGHT COUNTERBORE DEPTH: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
•
LEFT COUNTERBORE DIAMETER: 0.386 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE: ROUND
TECHNICAL CHARACTERISTICS
LEFT COUNTERBORE DEPTH0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
LENGTH3.181 INCHES MINIMUM AND 3.193 INCHES MAXIMUM IN
LEFT SLOT WIDTH0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
DIAMETER1.2475 INCHES MINIMUM AND 1.2525 INCHES MAXIMUM IN
RIGHT COUNTERBORE DEPTH0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
LEFT COUNTERBORE DIAMETER0.386 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 3491-6802?
3491-6802 is a STANDOFF,THREADED,SPACING.
What is the NSN for 3491-6802?
3491-6802 is cataloged in the U.S. Government catalog under NSN 5340-01-077-1463. 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.