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4310-10 — CAP,FILLER OPENING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4310-10: CAP,FILLER OPENING.

The CAP,FILLER OPENING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1045 PIN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-979-6514, 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
4310-10
NSN: 5340-00-979-6514
NIINs: 009796514, 011352325, 011372204, 014428316, 014561295
FSC: 5340 — Hardware, Commercial
CAGE: 94222 — SOUTHCO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1045 PIN
NSN5340-00-979-6514
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4310-10 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
•
OPERATIONAL DIRECTION: LEFT-HAND
•
MOUNTING PLATE TO PAWL DISTANCE: 0.125 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
LENGTH: 0.875 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES: 0.812 INCHES NOMINAL IN
•
PAWL ACTUATION METHOD: KNOB
•
STYLE DESIGNATOR: KNURLED
•
MOUNTING HOLE DIAMETER: 0.128 INCHES NOMINAL IN
•
DIAMETER: 0.344 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OPERATIONAL DIRECTIONLEFT-HAND
MOUNTING PLATE TO PAWL DISTANCE0.125 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
LENGTH0.875 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES0.812 INCHES NOMINAL IN
PAWL ACTUATION METHODKNOB
STYLE DESIGNATORKNURLED
MOUNTING HOLE DIAMETER0.128 INCHES NOMINAL IN
DIAMETER0.344 INCHES NOMINAL IN
PAWL TYPEOFFSET
HEIGHT1.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
LH43-10-1-0Reference 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 4310-10?
4310-10 is a CAP,FILLER OPENING.
What parts can replace 4310-10?
There is 1 known substitute for 4310-10: LH43-10-1-0. Substitute compatibility should be verified for your specific system.
What is the NSN for 4310-10?
4310-10 is cataloged in the U.S. Government catalog under NSN 5340-00-979-6514. 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.