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Technical Data Sheet
27-839 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: LEATHER CATTLEHIDE OVERALL, body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, shell_type: SOLID, thread_class: 2A A, terminal_type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING, overall_length: 1.109 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-186-4947, 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
27-839
NSN: 5330-00-186-4947
FSC: 5330
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
materialLEATHER CATTLEHIDE OVERALL
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
shell_typeSOLID
thread_class2A A
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
overall_length1.109 INCHES NOMINAL IN
shell_materialCOPPER ALLOY
insert_materialPLASTIC TETRAFLUOROETHYLENE SINGLE MATING END
contact_materialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
overall_diameter0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
precious_materialGOLD
NSN5330-00-186-4947
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 27-839 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
PERIPHERAL DIAMETER: 0.577 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL HEIGHT: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
CENTER HOLE DIAMETER: 0.3355 INCHES MINIMUM AND 0.3505 INCHES MAXIMUM IN
MATERIAL: LEATHER CATTLEHIDE OVERALL
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL DIAMETER0.577 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL HEIGHT0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.3355 INCHES MINIMUM AND 0.3505 INCHES MAXIMUM IN
MATERIALLEATHER CATTLEHIDE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
17764Interchangeable
interchangeable cross-reference
interchangeable
1776-5Interchangeable
interchangeable cross-reference
interchangeable
1283-5Interchangeable
interchangeable cross-reference
interchangeable
757 283Interchangeable
interchangeable cross-reference
interchangeable
3-4X77-545Interchangeable
interchangeable cross-reference
interchangeable
1283-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27-839?
27-839 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 27-839?
There are 21 known substitutes for 27-839: 17764, 1776-5, 1283-5 and 18 more. Substitute compatibility should be verified for your specific system.
Is 27-839 still available?
27-839 is currently cancelled.
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