PartsTable
Technical Data Sheet
Download PDF

78-2842643-1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

78-2842643-1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6063 CASE, overall_width: 17.56 INCHES NOMINAL IN, overall_length: 47.50 INCHES NOMINAL IN, surface_treatment: PASSIVATE CASE, end_item_identification: 5895-01-657-3979, cross-sectional_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-716-1612, 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
78-2842643-1
NSN: 5330-01-716-1612
FSC: 5330 — Packing and Gasket Materials
CAGE: 67032 — GENERAL DYNAMICS MISSION SYSTEMS, INC. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6063 CASE
overall_width17.56 INCHES NOMINAL IN
overall_length47.50 INCHES NOMINAL IN
surface_treatmentPASSIVATE CASE
end_item_identification5895-01-657-3979
cross-sectional_thickness0.125 INCHES NOMINAL IN
material_document_and_classificationQQ-N-281 OR AMS-4730 FED SPEC SINGLE MATERIAL RESPONSE CORE
part_name_assigned_by_controlling_agencyEMI GASKET ECU
surface_treatment_document_and_classificationMIL-DTL-5541,TYPE II,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE CASE
NSN5330-01-716-1612
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 78-2842643-1 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: MIL-DTL-5541,TYPE II,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE CASE
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B221 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE CASE
•
SURFACE TREATMENT: PASSIVATE CASE
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-DTL-5541,TYPE II,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE CASE
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B221 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE CASE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6130,TYPE II,GR A MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 OR AMS-4730 FED SPEC SINGLE MATERIAL RESPONSE CORE
OVERALL LENGTH47.50 INCHES NOMINAL IN
OVERALL WIDTH17.56 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE CASE
PART NAME ASSIGNED BY CONTROLLING AGENCYEMI GASKET ECU
END ITEM IDENTIFICATION5895-01-657-3979
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
78-2842643Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 78-2842643-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 78-2842643-1?
78-2842643-1 is a GASKET.
What parts can replace 78-2842643-1?
There is 1 known substitute for 78-2842643-1: 78-2842643. Substitute compatibility should be verified for your specific system.
What is the NSN for 78-2842643-1?
78-2842643-1 is cataloged in the U.S. Government catalog under NSN 5330-01-716-1612. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 78-2842643-1