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123886 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

123886: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include hole_diameter: 0.112 INCHES NOMINAL IN, overall_width: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN, overall_length: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN, special_features: FOUR BOLT HOLES TAPPED 0.112-40UNC-2B, aperture_diameter: 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN, outside_corner_bevel_length_along_width: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-172-4638, 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
123886
NSN: 5330-01-172-4638
NIINs: 011724638, 011923409
FSC: 5330 — Packing and Gasket Materials
CAGE: 59501 — UNISON INDUSTRIES LLC (USA)
SPECIFICATIONS
hole_diameter0.112 INCHES NOMINAL IN
overall_width1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
overall_length1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
special_featuresFOUR BOLT HOLES TAPPED 0.112-40UNC-2B
aperture_diameter0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN
bolt_hole_quantity4
outside_corner_bevel_length_along_width0.062 INCHES NOMINAL IN
outside_corner_bevel_length_along_length0.062 INCHES NOMINAL IN
outside_edge_to_bolt_hole_center_distance_along_width0.110 INCHES NOMINAL IN
outside_edge_to_bolt_hole_center_distance_along_length0.110 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_width0.906 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_length0.906 INCHES NOMINAL IN
NSN5330-01-172-4638
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 123886 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
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 123886?
123886 is a PACKING,PREFORMED.
What is the NSN for 123886?
123886 is cataloged in the U.S. Government catalog under NSN 5330-01-172-4638. 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.