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157D3076-80 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

157D3076-80: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: SPECIAL, width: 3.220 INCHES MINIMUM AND 3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM3.280 INCHES MAXIMUM IN, length: 4.470 INCHES MINIMUM AND 4.470 INCHES MINIMUM AND 4.503 INCHES MAXIMUM4.503 INCHES MAXIMUM IN, material: PLASTIC, thickness: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN, mounting_hole_type: UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-341-6310, 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
157D3076-80
NSN: 5340-01-341-6310
FSC: 5340 — Hardware, Commercial
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
shapeSPECIAL
width3.220 INCHES MINIMUM AND 3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM3.280 INCHES MAXIMUM IN
length4.470 INCHES MINIMUM AND 4.470 INCHES MINIMUM AND 4.503 INCHES MAXIMUM4.503 INCHES MAXIMUM IN
materialPLASTIC
thickness0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
mounting_hole_typeUNTHREADED
mounting_hole_diameter0.218 INCHES MINIMUM AND 0.232 INCHES MAXIMUM ALL HOLES IN
mounting_hole_quantity4
end_item_identification7.62MM ARMAMENT SUBASSEMBLY MM
NSN5340-01-341-6310
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 157D3076-80 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
•
MOUNTING HOLE QUANTITY: 4
•
LENGTH: 4.470 INCHES MINIMUM AND 4.470 INCHES MINIMUM AND 4.503 INCHES MAXIMUM4.503 INCHES MAXIMUM IN
•
MOUNTING HOLE DIAMETER: 0.218 INCHES MINIMUM AND 0.232 INCHES MAXIMUM ALL HOLES IN
•
SHAPE: SPECIAL
•
WIDTH: 3.220 INCHES MINIMUM AND 3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM3.280 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
LENGTH4.470 INCHES MINIMUM AND 4.470 INCHES MINIMUM AND 4.503 INCHES MAXIMUM4.503 INCHES MAXIMUM IN
MOUNTING HOLE DIAMETER0.218 INCHES MINIMUM AND 0.232 INCHES MAXIMUM ALL HOLES IN
SHAPESPECIAL
SPECIAL FEATURESITEM REQUIRES 10 INSERT SCR THD LKG W/HOLES DRILLED & TAPPED TO FIT 0.112-40 UNC-2B,THERE IS ALSO 1 HOLE DIA 0.1744 IN. PORM 0.036 IN. FOR 0.164-32 UNC-2B HELICAL COIL INSERTS,THERE IS ALSO 2 HOLES DRILLED & TAPPED THRU TO ACCOMODATE 0.112-40 UNF 20 THDS IN
WIDTH3.220 INCHES MINIMUM AND 3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM3.280 INCHES MAXIMUM IN
END ITEM IDENTIFICATION7.62MM ARMAMENT SUBASSEMBLY MM
MATERIALPLASTIC
THICKNESS0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
MOUNTING HOLE TYPEUNTHREADED
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 157D3076-80?
157D3076-80 is a PLATE,MOUNTING.
What is the NSN for 157D3076-80?
157D3076-80 is cataloged in the U.S. Government catalog under NSN 5340-01-341-6310. This indicates validated use in U.S. government and defense supply chains.
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