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PM22643-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

PM22643-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include surface_treatment: LACQUER, securing_device_type: SPECIAL, mounting_opening_shape_style: UNTHREADED HOLE, surface_treatment_document_and_classification: 9-9898-19,BENDIX CORPORATION,CAGEC 59501 MFR REF SINGLE TREATMENT RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-278-9672, 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
PM22643-1
NSN: 5340-01-278-9672
FSC: 5340 — Hardware, Commercial
CAGE: 59501 — UNISON INDUSTRIES LLC (USA)
SPECIFICATIONS
surface_treatmentLACQUER
securing_device_typeSPECIAL
mounting_opening_shape_styleUNTHREADED HOLE
surface_treatment_document_and_classification9-9898-19,BENDIX CORPORATION,CAGEC 59501 MFR REF SINGLE TREATMENT RESPONSE
NSN5340-01-278-9672
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PM22643-1 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: 9-9898-19,BENDIX CORPORATION,CAGEC 59501 MFR REF SINGLE TREATMENT RESPONSE
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
SECURING DEVICE TYPE: SPECIAL
•
SURFACE TREATMENT: LACQUER
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION9-9898-19,BENDIX CORPORATION,CAGEC 59501 MFR REF SINGLE TREATMENT RESPONSE
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
SECURING DEVICE TYPESPECIAL
SURFACE TREATMENTLACQUER
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

No substitute or cross-reference records for this part.

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 PM22643-1?
PM22643-1 is a COVER,ACCESS.
What is the NSN for PM22643-1?
PM22643-1 is cataloged in the U.S. Government catalog under NSN 5340-01-278-9672. 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.