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Technical Data Sheet

903/21377 — PACKING WITH RETAINER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

903/21377: PACKING WITH RETAINER.

The PACKING WITH RETAINER is a the manufacturer industrial component. Key specifications include fsc_application_data: RAM,SUSPENSION, end_item_identification: 2420-015354061,TRACTOR,WHEELED,INDUSTRIAL,JCB HMEE BN2, part_name_assigned_by_controlling_agency: KIT-SEAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-723-9369, 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
903/21377
NSN: 5330-01-723-9369
FSC: 5330 — Packing and Gasket Materials
CAGE: 0JKF0 — JCB INC. (USA)
SPECIFICATIONS
fsc_application_dataRAM,SUSPENSION
end_item_identification2420-015354061,TRACTOR,WHEELED,INDUSTRIAL,JCB HMEE BN2
part_name_assigned_by_controlling_agencyKIT-SEAL
NSN5330-01-723-9369
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 903/21377 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: RAM,SUSPENSION
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATARAM,SUSPENSION
PART NAME ASSIGNED BY CONTROLLING AGENCYKIT-SEAL
END ITEM IDENTIFICATION2420-015354061,TRACTOR,WHEELED,INDUSTRIAL,JCB HMEE BN2
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 903/21377?
903/21377 is a PACKING WITH RETAINER.
What is the NSN for 903/21377?
903/21377 is cataloged in the U.S. Government catalog under NSN 5330-01-723-9369. 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.