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687-938-EP4 — GROMMET ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

687-938-EP4: GROMMET ASSEMBLY.

The GROMMET ASSEMBLY is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-732-7265, 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
687-938-EP4
NSN: 5340-01-732-7265
FSC: 5340 — Hardware, Commercial
CAGE: 06324 — GLENAIR, INC. (USA)
SPECIFICATIONS
Part Number687-938-EP4
NSN5340-01-732-7265
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 687-938-EP4 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 6
8616437Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
218110940Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
R8531052-155Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
438-8616312-155Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8616312Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
438-8616437-019Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 687-938-EP4?
687-938-EP4 is a GROMMET ASSEMBLY.
What parts can replace 687-938-EP4?
There are 6 known substitutes for 687-938-EP4: 8616437, 218110940, R8531052-155 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 687-938-EP4?
687-938-EP4 is cataloged in the U.S. Government catalog under NSN 5340-01-732-7265. This indicates validated use in U.S. government and defense supply chains.
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