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Technical Data Sheet
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3455-01 — DISK ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3455-01: DISK ASSEMBLY.

The DISK ASSEMBLY is a the manufacturer industrial component. Key specifications include end_item_identification: AIRCRAFT MODEL H-53. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-549-7958, 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
3455-01
NSN: 5331-00-549-7958
NIINs: 005497958, 011258800
FSC: 5331 — O-ring
CAGE: 75545 — LAWLER MANUFACTURING COMPANY, INC. (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT MODEL H-53
general_characteristics_item_descriptionCRES PER MIL-S-5059; 4.500 IN. OD; 3.000 IN. ID; 0.250 IN. MIN,0.260 I N. MAX THK; 0.375 IN. DIA,6 HOLES EQUALLY SPACED IN
NSN5331-00-549-7958
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3455-01 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
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 1
71996PC21Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3455-01?
3455-01 is a DISK ASSEMBLY.
What parts can replace 3455-01?
There is 1 known substitute for 3455-01: 71996PC21. Substitute compatibility should be verified for your specific system.
What is the NSN for 3455-01?
3455-01 is cataloged in the U.S. Government catalog under NSN 5331-00-549-7958. 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.