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14999 — COUPLER,TRANSMISSION LINE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

14999: COUPLER,TRANSMISSION LINE.

The COUPLER,TRANSMISSION LINE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, unit_type: TRANSMISSION LINE, overall_length: 0.500 INCHES NOMINAL IN, overall_diameter: 3.805 INCHES NOMINAL IN, special_features: BRASS; 5 PINS. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-473-5957, 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
14999
NSN: 5340-00-473-5957
NIINs: 004735957, 005074926, 012856126
FSC: 5340 — Hardware, Commercial
CAGE: 30399 — ILCO UNICAN CORP DBA WOLF SALES (USA)
SPECIFICATIONS
materialCOPPER ALLOY
unit_typeTRANSMISSION LINE
overall_length0.500 INCHES NOMINAL IN
overall_diameter3.805 INCHES NOMINAL IN
special_featuresBRASS; 5 PINS
NSN5340-00-473-5957
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 14999 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESBRASS; 5 PINS
SUBSTITUTES & CROSS-REFERENCES 8
999Reference document
Same NSN cross-reference
Reference document — Secondary reference
2BReference document
Same NSN cross-reference
Reference document — Secondary reference
14Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
Y1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
99Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 14999?
14999 is a COUPLER,TRANSMISSION LINE.
What parts can replace 14999?
There are 8 known substitutes for 14999: 999, 2B, 14 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 14999?
14999 is cataloged in the U.S. Government catalog under NSN 5340-00-473-5957. This indicates validated use in U.S. government and defense supply chains.
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