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P4330556-17 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

P4330556-17: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, POLYETHYLENE (PP), design_type: FRICTION, overall_diameter: 2.010 INCHES NOMINAL IN, special_features: COLOR BLACK, inside_diameter_length: 0.560 INCHES NOMINAL IN, specification/standard_data: 99017-NAS-831C PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-281-5114, 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
P4330556-17
NSN: 5340-01-281-5114
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
design_typeFRICTION
overall_diameter2.010 INCHES NOMINAL IN
special_featuresCOLOR BLACK
inside_diameter_length0.560 INCHES NOMINAL IN
specification/standard_data99017-NAS-831C PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
round_cap_outside_surface_conditionSMOOTH
tube_outside_diameter_for_which_designed1.375 INCHES NOMINAL IN
NSN5340-01-281-5114
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P4330556-17 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
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 2.010 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.375 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 99017-NAS-831C PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
•
INSIDE DIAMETER LENGTH: 0.560 INCHES NOMINAL IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER2.010 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.375 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA99017-NAS-831C PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SPECIAL FEATURESCOLOR BLACK
MATERIALPLASTIC, POLYETHYLENE (PP)
INSIDE DIAMETER LENGTH0.560 INCHES NOMINAL IN
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
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 2
5340PL2148969Reference document
Same NSN cross-reference
Reference document — Informative reference only
Q 5 3142 8091Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P4330556-17?
P4330556-17 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace P4330556-17?
There are 2 known substitutes for P4330556-17: 5340PL2148969, Q 5 3142 8091. Substitute compatibility should be verified for your specific system.
What is the NSN for P4330556-17?
P4330556-17 is cataloged in the U.S. Government catalog under NSN 5340-01-281-5114. 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.