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445-9968 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

445-9968: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYESTER OVERALL, peripheral_diameter: 1.44 INCHES NOMINAL IN, center_hole_diameter: 1.26 INCHES NOMINAL IN, cross-sectional_height: 0.05 INCHES NOMINAL IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-167-0778, 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
445-9968
NSN: 5331-01-167-0778
NIINs: 011670778, 014251905
FSC: 5331 — O-ring
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialPLASTIC POLYESTER OVERALL
peripheral_diameter1.44 INCHES NOMINAL IN
center_hole_diameter1.26 INCHES NOMINAL IN
cross-sectional_height0.05 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
NSN5331-01-167-0778
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 445-9968 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 5
010110Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
21522115-530Reference document
Same NSN cross-reference
Reference document — Secondary reference
HE010110Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HS 2152 2115-530Reference document
Same NSN cross-reference
Reference document — Secondary reference
90774-991Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 445-9968?
445-9968 is a RETAINER,PACKING.
What parts can replace 445-9968?
There are 5 known substitutes for 445-9968: 010110, 21522115-530, HE010110 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 445-9968?
445-9968 is cataloged in the U.S. Government catalog under NSN 5331-01-167-0778. 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.