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DS-DA-503 — KEY,LOCK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

DS-DA-503: KEY,LOCK.

The KEY,LOCK is a the manufacturer industrial component. Key specifications include style_designator: RECTANGLE, part_name_assigned_by_controlling_agency: REPLACEMENT KEYS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-706-8862, 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
DS-DA-503
NSN: 5340-01-706-8862
FSC: 5340 — Hardware, Commercial
CAGE: 7F200 — HAVIS INC (USA)
SPECIFICATIONS
style_designatorRECTANGLE
part_name_assigned_by_controlling_agencyREPLACEMENT KEYS
NSN5340-01-706-8862
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DS-DA-503 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
•
STYLE DESIGNATOR: RECTANGLE
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECTANGLE
SPECIAL FEATURESCOMPATIBLE DOCKING STATIONS: DS-APP-100 SERIES, DS-DELL-610 SERIES, DS-GTC-610 SERIES, DS-GTC-710 SERIES, DS-GTC-1000 SERIES, DS-PAN-300 SERIES, DS-PAN-500 SERIES, DS-PAN-800 SERIES, DS-PAN-1010 SERIES, DS-PAN-1110 SERIES, UT-1000 SERIES, UT-2000 SERIES, DSTAB-100 SERIES
PART NAME ASSIGNED BY CONTROLLING AGENCYREPLACEMENT KEYS
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 DS-DA-503?
DS-DA-503 is a KEY,LOCK.
What is the NSN for DS-DA-503?
DS-DA-503 is cataloged in the U.S. Government catalog under NSN 5340-01-706-8862. 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.