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90800002 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

90800002: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, POLYETHYLENE (PP), design_type: THREADED, thread_class: 2B, special_features: COLOR RED, inside_diameter_length: 0.469 INCHES NOMINAL IN, round_cap_outside_surface_condition: RIBBED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-126-0754, 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
90800002
NSN: 5340-01-126-0754
FSC: 5340 — Hardware, Commercial
CAGE: 05167 — MEGGITT SAFETY SYSTEMS INC (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
design_typeTHREADED
thread_class2B
special_featuresCOLOR RED
inside_diameter_length0.469 INCHES NOMINAL IN
round_cap_outside_surface_conditionRIBBED
material_document_and_classificationL-P-390 FED SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designator0.438-20 UNF
connector_nominal_thread_size_for_which_designed0.438 INCHES IN
NSN5340-01-126-0754
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 90800002 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: THREADED
•
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED: 0.438 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD CLASS: 2B
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.438-20 UNF
•
INSIDE DIAMETER LENGTH: 0.469 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED0.438 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390 FED SPEC SINGLE MATERIAL RESPONSE
SPECIAL FEATURESCOLOR RED
THREAD CLASS2B
MATERIALPLASTIC, POLYETHYLENE (PP)
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.438-20 UNF
INSIDE DIAMETER LENGTH0.469 INCHES NOMINAL IN
ROUND CAP OUTSIDE SURFACE CONDITIONRIBBED
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 90800002?
90800002 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 90800002?
90800002 is cataloged in the U.S. Government catalog under NSN 5340-01-126-0754. 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.