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PartsTable / COMPONENT / 830PC15571
830PC15571 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include design_type: THREADED, thread_class: 2B, overall_diameter: 0.969 INCHES NOMINAL IN, surface_treatment: NICKEL, inside_diameter_length: 0.375 INCHES NOMINAL IN, round_cap_outside_surface_condition: KNURLED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-369-1690, 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
830PC15571
NSN: 5340-00-369-1690
FSC: 5340
CAGE: 89305 — SIMMONDS PRECISION PRODUCTS INC (USA)
SPECIFICATIONS
design_typeTHREADED
thread_class2B
overall_diameter0.969 INCHES NOMINAL IN
surface_treatmentNICKEL
inside_diameter_length0.375 INCHES NOMINAL IN
round_cap_outside_surface_conditionKNURLED
thread_size_and_series/type_designator3/4-27 UNF
tube_outside_diameter_for_which_designed0.750 INCHES NOMINAL IN
surface_treatment_document_and_classificationMIL-C-26074-A, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5340-00-369-1690
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 830PC15571 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-26074-A, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
•
SURFACE TREATMENT: NICKEL
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.750 INCHES NOMINAL IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: KNURLED
•
THREAD CLASS: 2B
•
OVERALL DIAMETER: 0.969 INCHES NOMINAL IN
•
DESIGN TYPE: THREADED
•
INSIDE DIAMETER LENGTH: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-26074-A, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTNICKEL
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.750 INCHES NOMINAL IN
ROUND CAP OUTSIDE SURFACE CONDITIONKNURLED
THREAD CLASS2B
OVERALL DIAMETER0.969 INCHES NOMINAL IN
DESIGN TYPETHREADED
INSIDE DIAMETER LENGTH0.375 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/4-27 UNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
AW2-1/2DInterchangeable
interchangeable cross-reference
interchangeable
7211958P3Interchangeable
interchangeable cross-reference
interchangeable
7897119P3Interchangeable
interchangeable cross-reference
interchangeable
340483Interchangeable
interchangeable cross-reference
interchangeable
15571Interchangeable
interchangeable cross-reference
interchangeable
S340483Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 830PC15571?
830PC15571 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 830PC15571?
There are 11 known substitutes for 830PC15571: AW2-1/2D, 7211958P3, 7897119P3 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 830PC15571?
830PC15571 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-369-1690. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026