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9542743 — CAP SET,PROTECTIVE,DUST AND MOIS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9542743: CAP SET,PROTECTIVE,DUST AND MOIS.

CAP SET,PROTECTIVE,DUST AND MOIS. Key specifications include special_features: DECHLORINATION UNIT MODEL 5SXB BASED ON AN/PSQ-11, part_name_assigned_by_controlling_agency: CAP. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-559-3231, 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
9542743
NSN: 5340-01-559-3231
FSC: 5340 — Hardware, Commercial
CAGE: 5F565 — LEIDOS, INC. DBA LEIDOS (USA)
SPECIFICATIONS
special_featuresDECHLORINATION UNIT MODEL 5SXB BASED ON AN/PSQ-11
part_name_assigned_by_controlling_agencyCAP
NSN5340-01-559-3231
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9542743 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 FEATURESDECHLORINATION UNIT MODEL 5SXB BASED ON AN/PSQ-11
PART NAME ASSIGNED BY CONTROLLING AGENCYCAP
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 2
GCI-9542744Reference document
Same NSN cross-reference
Reference document — Secondary reference
803-9542701SH11ITEM145Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9542743?
9542743 is a CAP SET,PROTECTIVE,DUST AND MOIS.
What parts can replace 9542743?
There are 2 known substitutes for 9542743: GCI-9542744, 803-9542701SH11ITEM145. Substitute compatibility should be verified for your specific system.
What is the NSN for 9542743?
9542743 is cataloged in the U.S. Government catalog under NSN 5340-01-559-3231. 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.