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Technical Data Sheet
PartsTable / COMPONENT / 57-1D
57-1D ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The KEY BLANK is a the manufacturer industrial component. Key specifications include color: RED, special_features: 0.063 W 70 BUNA N RED TFE COATING W, end_item_identification: NHA 1600515-X AND 4101441-50X. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-027-6843, 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
57-1D
NSN: 5340-01-027-6843
FSC: 5340
CAGE: 87856 — IDN HARDWARE SALES DBA IDNHARDWARE SALES (USA)
SPECIFICATIONS
colorRED
special_features0.063 W 70 BUNA N RED TFE COATING W
end_item_identificationNHA 1600515-X AND 4101441-50X
NSN5340-01-027-6843
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 57-1D 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESNICKEL SILVER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1DInterchangeable
interchangeable cross-reference
interchangeable
SP8553-1Interchangeable
interchangeable cross-reference
interchangeable
11D-2-2Interchangeable
interchangeable cross-reference
interchangeable
204-012-101-3ASAInterchangeable
interchangeable cross-reference
interchangeable
204-012-101-3ASA1-1DInterchangeable
interchangeable cross-reference
interchangeable
1-1DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 57-1D?
57-1D is a KEY BLANK.
What parts can replace 57-1D?
There are 12 known substitutes for 57-1D: 1D, SP8553-1, 11D-2-2 and 9 more. Substitute compatibility should be verified for your specific system.
Is 57-1D still available?
57-1D is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026