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3666-99 ITEM 1 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3666-99 ITEM 1: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-147-5399, 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
3666-99 ITEM 1
NSN: 5340-01-147-5399
FSC: 5340 — Hardware, Commercial
CAGE: 13859 — KING NUTRONICS CORPORATION DBA KING NUTRONICS (USA)
SPECIFICATIONS
Part Number3666-99 ITEM 1
NSN5340-01-147-5399
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3666-99 ITEM 1 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
SUBSTITUTES & CROSS-REFERENCES 1
3666-99-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 3666-99 ITEM 1?
3666-99 ITEM 1 is a STANDOFF,THREADED,SPACING.
What parts can replace 3666-99 ITEM 1?
There is 1 known substitute for 3666-99 ITEM 1: 3666-99-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 3666-99 ITEM 1?
3666-99 ITEM 1 is cataloged in the U.S. Government catalog under NSN 5340-01-147-5399. This indicates validated use in U.S. government and defense supply chains.
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