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46-557-56 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

46-557-56: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include fsc_application_data: CAB ASSY NO. 46-559; 9 INCH SLOPED ROOF SUB.AY.

PART NO. 46-557 IN, end_item_identification: 6X4 6 TON TRUCK TRACTOR 2320-01-452-5579, part_name_assigned_by_controlling_agency: SEAL, REAR DOOR BOTTOM. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-503-7850, 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
46-557-56
NSN: 5330-01-503-7850
FSC: 5330 — Packing and Gasket Materials
CAGE: 03533 — CRANE CARRIER COMPANY, LLC (USA)
SPECIFICATIONS
fsc_application_dataCAB ASSY NO. 46-559; 9 INCH SLOPED ROOF SUB.AY. PART NO. 46-557 IN
end_item_identification6X4 6 TON TRUCK TRACTOR 2320-01-452-5579
part_name_assigned_by_controlling_agencySEAL, REAR DOOR BOTTOM
NSN5330-01-503-7850
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 46-557-56 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
•
FSC APPLICATION DATA: CAB ASSY NO. 46-559; 9 INCH SLOPED ROOF SUB.AY. PART NO. 46-557 IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATACAB ASSY NO. 46-559; 9 INCH SLOPED ROOF SUB.AY. PART NO. 46-557 IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL, REAR DOOR BOTTOM
END ITEM IDENTIFICATION6X4 6 TON TRUCK TRACTOR 2320-01-452-5579
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
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 46-557-56?
46-557-56 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What is the NSN for 46-557-56?
46-557-56 is cataloged in the U.S. Government catalog under NSN 5330-01-503-7850. 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.