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4L7870 — LOCKING PLATE,NUT AND BOLT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4L7870: LOCKING PLATE,NUT AND BOLT.

The LOCKING PLATE,NUT AND BOLT is a the manufacturer industrial component. Key specifications include width: 1.400 INCHES NOMINAL IN, material: STEEL, plate_thickness: 0.050 INCHES NOMINAL IN, style_designator: RADIUS, mounting_hole_diameter: 0.900 INCHES NOMINAL IN, cross-sectional_shape_style: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-403-5672, 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
4L7870
NSN: 5340-00-403-5672
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
width1.400 INCHES NOMINAL IN
materialSTEEL
plate_thickness0.050 INCHES NOMINAL IN
style_designatorRADIUS
mounting_hole_diameter0.900 INCHES NOMINAL IN
cross-sectional_shape_styleFLAT
prebent_locking_feature_locationEND
distance_between_mounting_hole_centers2.750 INCHES NOMINAL IN
NSN5340-00-403-5672
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4L7870 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
•
PLATE THICKNESS: 0.050 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 2.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RADIUS
•
MOUNTING HOLE DIAMETER: 0.900 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
WIDTH: 1.400 INCHES NOMINAL IN
•
PREBENT LOCKING FEATURE LOCATION: END
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
PLATE THICKNESS0.050 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS2.750 INCHES NOMINAL IN
STYLE DESIGNATORRADIUS
MOUNTING HOLE DIAMETER0.900 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT
WIDTH1.400 INCHES NOMINAL IN
PREBENT LOCKING FEATURE LOCATIONEND
MATERIALSTEEL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4L7870?
4L7870 is a LOCKING PLATE,NUT AND BOLT.
What is the NSN for 4L7870?
4L7870 is cataloged in the U.S. Government catalog under NSN 5340-00-403-5672. 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.