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7M878 — CAP,QUICK DISCONNECT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7M878: CAP,QUICK DISCONNECT.

The CAP,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, overall_length: 1.280 INCHES NOMINAL IN, surface_treatment: ANODIZE BODY, quick_disconnect_method: PUSH-PULL, quick_disconnect_nominal_size: 0.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-893-4172, 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
7M878
NSN: 5330-00-893-4172
NIINs: 008934172, 013044077
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
overall_length1.280 INCHES NOMINAL IN
surface_treatmentANODIZE BODY
quick_disconnect_methodPUSH-PULL
quick_disconnect_nominal_size0.500 INCHES IN
NSN5330-00-893-4172
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7M878 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
7M0878Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7M878?
7M878 is a CAP,QUICK DISCONNECT.
What parts can replace 7M878?
There is 1 known substitute for 7M878: 7M0878. Substitute compatibility should be verified for your specific system.
What is the NSN for 7M878?
7M878 is cataloged in the U.S. Government catalog under NSN 5330-00-893-4172. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.