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4660543 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4660543: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nominal_overall_length: 1.37 INCHES IN, part_name_assigned_by_controlling_agency: STUD, MALE CONNECTOR. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-434-2844, 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
4660543
NSN: 5340-01-434-2844
NIINs: 014342844, 015957217, 016501069
FSC: 5340 — Hardware, Commercial
CAGE: 076M6 — AMZ ALABAMA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresTUBE OD IS 0.25, MALE BSPP TREADED END IS 0.25-19, UN/UNF-2A THREADED END IS 7/16-20, WIDTH OF BSPP END IS 0.15, WIDTH OF THREADED UN/UNF END IS 0.15 A
nominal_overall_length1.37 INCHES IN
part_name_assigned_by_controlling_agencySTUD, MALE CONNECTOR
NSN5340-01-434-2844
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4660543 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
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 4660543?
4660543 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What is the NSN for 4660543?
4660543 is cataloged in the U.S. Government catalog under NSN 5340-01-434-2844. 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.