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1643774 — CABLE ASSEMBLY,SPECIAL PURPOSE,E

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1643774: CABLE ASSEMBLY,SPECIAL PURPOSE,E.

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: RUBBER BUTADIENE NITRILE, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, special_features: OVERALL LENGTH IS 76 INCHES NOMINAL. END 1 IS A 90 DEGREE CONNECTOR BACKSHELL AND END 2 IS UNPROCESSED CONDUCTORS.

IN, center_hole_diameter: 0.739 INCHES NOMINAL IN, end_item_identification: AN/TPQ-36(V)8, part_name_assigned_by_controlling_agency: NITRILE 90A DURO AS568-018 A. This part is cataloged in the U.S. Government catalog under NSN 5331-01-538-2769, 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
1643774
NSN: 5331-01-538-2769
NIINs: 015382769, 015475269
FSC: 5331 — O-ring
CAGE: 5X050 — CRYSTEEL MANUFACTURING, INC DBA CRYSTEEL MANUFACTURING INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE NITRILE
hardness_rating90.0 SHORE DUROMETER A NOMINAL
special_featuresOVERALL LENGTH IS 76 INCHES NOMINAL. END 1 IS A 90 DEGREE CONNECTOR BACKSHELL AND END 2 IS UNPROCESSED CONDUCTORS. IN
center_hole_diameter0.739 INCHES NOMINAL IN
end_item_identificationAN/TPQ-36(V)8
part_name_assigned_by_controlling_agencyNITRILE 90A DURO AS568-018 A
NSN5331-01-538-2769
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1643774 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
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 0.739 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE NITRILE
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER0.739 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNITRILE 90A DURO AS568-018 A
END ITEM IDENTIFICATION3990-01-443-8024, ENGINEERING MISSION MODULE (EMM) FOR THE PALLETIZED LOADING SYSTEM (PLS)
MATERIALRUBBER BUTADIENE NITRILE
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 1643774?
1643774 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What is the NSN for 1643774?
1643774 is cataloged in the U.S. Government catalog under NSN 5331-01-538-2769. This indicates validated use in U.S. government and defense supply chains.
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