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3350-AS-881-1 — 3350-AS-881-1

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3350-AS-881-1: 3350-AS-881-1.

The 3350-AS-881-1 is a the manufacturer industrial component. Key specifications include material: PLASTIC, overall_length: 0.280 INCHES NOMINAL IN, overall_diameter: 0.390 INCHES NOMINAL IN, special_features: THREAD CLASS 2B; THREADING IS THRU COUNTERSUNK 0.280-0.300 X 100 DEGREES, thread_size_and_series/type_designator: 0.138-32 UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5340-01-526-8983, 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
3350-AS-881-1
NSN: 5340-01-526-8983
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC
overall_length0.280 INCHES NOMINAL IN
overall_diameter0.390 INCHES NOMINAL IN
special_featuresTHREAD CLASS 2B; THREADING IS THRU COUNTERSUNK 0.280-0.300 X 100 DEGREES
thread_size_and_series/type_designator0.138-32 UNIFIED NATIONAL COARSE (UNC)
NSN5340-01-526-8983
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3350-AS-881-1 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
•
OVERALL DIAMETER: 0.390 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.138-32 UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.390 INCHES NOMINAL IN
OVERALL LENGTH0.280 INCHES NOMINAL IN
SPECIAL FEATURESTHREAD CLASS 2B; THREADING IS THRU COUNTERSUNK 0.280-0.300 X 100 DEGREES
MATERIALPLASTIC
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.138-32 UNIFIED NATIONAL COARSE (UNC)
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3350-AS-881-1?
3350-AS-881-1 is a 3350-AS-881-1.
What is the NSN for 3350-AS-881-1?
3350-AS-881-1 is cataloged in the U.S. Government catalog under NSN 5340-01-526-8983. 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.