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GC860FJ1A1 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GC860FJ1A1: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: RUBBER, design_type: FRICTION, width_across_flats: 1.8800 INCHES NOMINAL IN, inside_diameter_length: 0.6800 INCHES NOMINAL IN, material_document_and_classification: MIL-R-3065 MIL SPEC SINGLE MATERIAL RESPONSE, opening_inside_diameter_for_which_designed: 0.9400 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-430-2847, 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
GC860FJ1A1
NSN: 5340-01-430-2847
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialRUBBER
design_typeFRICTION
width_across_flats1.8800 INCHES NOMINAL IN
inside_diameter_length0.6800 INCHES NOMINAL IN
material_document_and_classificationMIL-R-3065 MIL SPEC SINGLE MATERIAL RESPONSE
opening_inside_diameter_for_which_designed0.9400 INCHES NOMINAL IN
NSN5340-01-430-2847
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GC860FJ1A1 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
•
WIDTH ACROSS FLATS: 1.8800 INCHES NOMINAL IN
•
DESIGN TYPE: FRICTION
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-3065 MIL SPEC SINGLE MATERIAL RESPONSE
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 0.9400 INCHES NOMINAL IN
•
MATERIAL: RUBBER
•
INSIDE DIAMETER LENGTH: 0.6800 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.8800 INCHES NOMINAL IN
DESIGN TYPEFRICTION
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-3065 MIL SPEC SINGLE MATERIAL RESPONSE
OPENING INSIDE DIAMETER FOR WHICH DESIGNED0.9400 INCHES NOMINAL IN
MATERIALRUBBER
INSIDE DIAMETER LENGTH0.6800 INCHES NOMINAL IN
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 1
BP-3DPX-WCReference document
Same NSN cross-reference
Reference document — Design control — primary 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 GC860FJ1A1?
GC860FJ1A1 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace GC860FJ1A1?
There is 1 known substitute for GC860FJ1A1: BP-3DPX-WC. Substitute compatibility should be verified for your specific system.
What is the NSN for GC860FJ1A1?
GC860FJ1A1 is cataloged in the U.S. Government catalog under NSN 5340-01-430-2847. 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.