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4681-4 — DRILL,BLANK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4681-4: DRILL,BLANK.

The DRILL,BLANK is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 3.750 INCHES NOMINAL IN, overall_diameter: 0.2188 INCHES NOMINAL IN, special_features: BLANK MATERIAL IS HIGH SPEED STEEL;BRIGHT FINISH;BLANK DIAMETER TOLERANCE IS PLUS 0.0000 TO MINUS 0.0003. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-118-2597, 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
4681-4
NSN: 5330-00-118-2597
NIINs: 001182597, 013576178, 016485025
FSC: 5330 — Packing and Gasket Materials
CAGE: K3861 — THALES SECURITY SYSTEMS UK LIMITED (GBR)
SPECIFICATIONS
materialSTEEL
overall_length3.750 INCHES NOMINAL IN
overall_diameter0.2188 INCHES NOMINAL IN
special_featuresBLANK MATERIAL IS HIGH SPEED STEEL;BRIGHT FINISH;BLANK DIAMETER TOLERANCE IS PLUS 0.0000 TO MINUS 0.0003
NSN5330-00-118-2597
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4681-4 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
•
STYLE DESIGNATOR: CIRCULAR
•
APERTURE DIAMETER: 7.594 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER7.594 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 1
9445412Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4681-4?
4681-4 is a DRILL,BLANK.
What parts can replace 4681-4?
There is 1 known substitute for 4681-4: 9445412. Substitute compatibility should be verified for your specific system.
What is the NSN for 4681-4?
4681-4 is cataloged in the U.S. Government catalog under NSN 5330-00-118-2597. This indicates validated use in U.S. government and defense supply chains.
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