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AS138-34C — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS138-34C: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include design_type: FRICTION, overall_length: 0.629 INCHES MINIMUM AND 0.711 INCHES MAXIMUM IN, overall_diameter: 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN, inside_diameter_length: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN, end_item_identification: 1510-33-2091552,AIRPLANE CARGO-TRANSPORT, material_document_and_classification: MILPRF81705 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-734-5734, 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
AS138-34C
NSN: 5340-01-734-5734
FSC: 5340 — Hardware, Commercial
CAGE: 99017 — CAPLUGS LLC DBA MOKON DIV CAPLUGS (USA)
SPECIFICATIONS
design_typeFRICTION
overall_length0.629 INCHES MINIMUM AND 0.711 INCHES MAXIMUM IN
overall_diameter1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
special_featuresCOLOR:BLACK,INSIDE DIAMETER:1.018 INCHES MINIMUM AND 1.038 INCHES MAXIMUM,MATERIAL:CONDUCTIVE(WATER VAPORPROOF,ELECTROSTATIC PROTECTIVE,ELECTROSTATIC AND ELECTROMAGNETIC SHIELDING IN
inside_diameter_length0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
end_item_identification1510-33-2091552,AIRPLANE CARGO-TRANSPORT
material_document_and_classificationMILPRF81705 MIL SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyCONNECTOR ACCESSORIES,ELECTRICAL,CAP,DUST
NSN5340-01-734-5734
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS138-34C 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: 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MILPRF81705 MIL SPEC SINGLE MATERIAL RESPONSE
•
INSIDE DIAMETER LENGTH: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMILPRF81705 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.629 INCHES MINIMUM AND 0.711 INCHES MAXIMUM IN
SPECIAL FEATURESCOLOR:BLACK,INSIDE DIAMETER:1.018 INCHES MINIMUM AND 1.038 INCHES MAXIMUM,MATERIAL:CONDUCTIVE(WATER VAPORPROOF,ELECTROSTATIC PROTECTIVE,ELECTROSTATIC AND ELECTROMAGNETIC SHIELDING IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCONNECTOR ACCESSORIES,ELECTRICAL,CAP,DUST
END ITEM IDENTIFICATION1510-33-2091552,AIRPLANE CARGO-TRANSPORT
INSIDE DIAMETER LENGTH0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
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 AS138-34C?
AS138-34C is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for AS138-34C?
AS138-34C is cataloged in the U.S. Government catalog under NSN 5340-01-734-5734. 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.