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6774048 — PLUG,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6774048: PLUG,EXPANSION.

The PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include height: 0.310 INCHES NOMINAL IN, material: ALUMINUM ALLOY, outside_diameter: 0.895 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN, style_designator: CUP, material_thickness: 0.035 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-081-9235, 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
6774048
NSN: 5340-00-081-9235
FSC: 5340 — Hardware, Commercial
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
height0.310 INCHES NOMINAL IN
materialALUMINUM ALLOY
outside_diameter0.895 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
style_designatorCUP
material_thickness0.035 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN
NSN5340-00-081-9235
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6774048 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
•
OUTSIDE DIAMETER: 0.895 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CUP
•
MATERIAL THICKNESS: 0.035 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN
•
HEIGHT: 0.310 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.895 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
STYLE DESIGNATORCUP
MATERIAL THICKNESS0.035 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN
HEIGHT0.310 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY
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
342046Reference document
Same NSN cross-reference
Reference document — Secondary reference
D47511Reference 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 6774048?
6774048 is a PLUG,EXPANSION.
What parts can replace 6774048?
There are 2 known substitutes for 6774048: 342046, D47511. Substitute compatibility should be verified for your specific system.
What is the NSN for 6774048?
6774048 is cataloged in the U.S. Government catalog under NSN 5340-00-081-9235. 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.