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Technical Data Sheet
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155X — KEY BLANK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

155X: KEY BLANK.

The KEY BLANK is a the manufacturer industrial component. Key specifications include special_features: BRASS OR NICKEL SILVER. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-473-5948, 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
155X
NSN: 5340-00-473-5948
FSC: 5340 — Hardware, Commercial
CAGE: 85587 — KEIL LOCK CO INC (USA)
SPECIFICATIONS
special_featuresBRASS OR NICKEL SILVER
NSN5340-00-473-5948
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 155X 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
SPECIAL FEATURESBRASS OR NICKEL SILVER
SUBSTITUTES & CROSS-REFERENCES 3
2737GAReference document
Same NSN cross-reference
Reference document — Secondary reference
7KReference document
Same NSN cross-reference
Reference document — Secondary reference
K7 BOX BLANKSSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 155X?
155X is a KEY BLANK.
What parts can replace 155X?
There are 3 known substitutes for 155X: 2737GA, 7K, K7 BOX BLANKS. Substitute compatibility should be verified for your specific system.
What is the NSN for 155X?
155X is cataloged in the U.S. Government catalog under NSN 5340-00-473-5948. This indicates validated use in U.S. government and defense supply chains.
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