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639AS4925-2 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

639AS4925-2: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.375 INCHES NOMINAL IN, style_designator: PROJECTION ONE END LEFT INTERNAL THREAD, width_across_flats: 0.375 INCHES NOMINAL IN, cross-sectional_shape: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-194-1758, 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
639AS4925-2
NSN: 5340-01-194-1758
FSC: 5340 — Hardware, Commercial
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
length0.375 INCHES NOMINAL IN
style_designatorPROJECTION ONE END LEFT INTERNAL THREAD
width_across_flats0.375 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
NSN5340-01-194-1758
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 639AS4925-2 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
•
WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
LENGTH: 0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PROJECTION ONE END LEFT INTERNAL THREAD
•
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
LENGTH0.375 INCHES NOMINAL IN
STYLE DESIGNATORPROJECTION ONE END LEFT INTERNAL THREAD
CROSS-SECTIONAL SHAPEHEXAGON
SUBSTITUTES & CROSS-REFERENCES 2
10177012Reference document
Same NSN cross-reference
Reference document — Informative reference only
14130-H-SS-.375 -12Reference 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 639AS4925-2?
639AS4925-2 is a STANDOFF,THREADED,SPACING.
What parts can replace 639AS4925-2?
There are 2 known substitutes for 639AS4925-2: 10177012, 14130-H-SS-.375 -12. Substitute compatibility should be verified for your specific system.
What is the NSN for 639AS4925-2?
639AS4925-2 is cataloged in the U.S. Government catalog under NSN 5340-01-194-1758. This indicates validated use in U.S. government and defense supply chains.
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