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3686537 — KIT,MINE PROTECTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3686537: KIT,MINE PROTECTION.

The KIT,MINE PROTECTION is a the manufacturer industrial component. Key specifications include material: WOOL SEALING ELEMENT A, case_style: SHOULDERED, seal_width: 0.562 INCHES NOMINAL IN, housing_bore_diameter: 4.625 INCHES NOMINAL IN, sealing_element_style: VERTICAL-ANGULAR, accommodated_shaft_diameter: 3.188 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-286-7191, 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
3686537
NSN: 5330-00-286-7191
NIINs: 002867191, 015606657
FSC: 5330 — Packing and Gasket Materials
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialWOOL SEALING ELEMENT A
case_styleSHOULDERED
seal_width0.562 INCHES NOMINAL IN
housing_bore_diameter4.625 INCHES NOMINAL IN
sealing_element_styleVERTICAL-ANGULAR
accommodated_shaft_diameter3.188 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-286-7191
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3686537 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
•
SEAL WIDTH: 0.562 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL-ANGULAR
•
HOUSING BORE DIAMETER: 4.625 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SHOULDERED
•
ACCOMMODATED SHAFT DIAMETER: 3.188 INCHES NOMINAL IN
•
MATERIAL: LEATHER SEALING ELEMENT B
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.562 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL-ANGULAR
HOUSING BORE DIAMETER4.625 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESHOULDERED
ACCOMMODATED SHAFT DIAMETER3.188 INCHES NOMINAL IN
MATERIALLEATHER SEALING ELEMENT B
MATERIALWOOL SEALING ELEMENT A
SUBSTITUTES & CROSS-REFERENCES 1
31876Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 3686537?
3686537 is a KIT,MINE PROTECTION.
What parts can replace 3686537?
There is 1 known substitute for 3686537: 31876. Substitute compatibility should be verified for your specific system.
What is the NSN for 3686537?
3686537 is cataloged in the U.S. Government catalog under NSN 5330-00-286-7191. 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.