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686702C2 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

686702C2: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 4.060 INCHES NOMINAL IN, length: 4.060 INCHES NOMINAL IN, material: STEEL, slot_width: 0.343 INCHES NOMINAL IN, body_radius: 1.500 INCHES NOMINAL IN, slot_length: 0.687 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-556-6789, 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
686702C2
NSN: 5340-01-556-6789
FSC: 5340 — Hardware, Commercial
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
width4.060 INCHES NOMINAL IN
length4.060 INCHES NOMINAL IN
materialSTEEL
slot_width0.343 INCHES NOMINAL IN
body_radius1.500 INCHES NOMINAL IN
slot_length0.687 INCHES NOMINAL IN
special_featuresMATL 0.067 COMP THK STEEL, GRD 1 OR 2, SEE NAVISTAR SPEC A-6;FINISH COAT, NAV 0001 BLACK, EMS G05-5001
surface_treatmentPAINT
peripheral_shape_styleDIAMOND, ROUNDED CORNERS, TWO HOLES
end_item_identificationMRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS
mounting_opening_shape_styleCLOSED VERTICAL SLOT
distance_between_holes_along_length3.265 INCHES NOMINAL IN
NSN5340-01-556-6789
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 686702C2 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
•
LENGTH: 4.060 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 3.265 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: CLOSED VERTICAL SLOT
•
MATERIAL DOCUMENT AND CLASSIFICATION: CEM A-6, GRADE 1 MFR REF ALL MATERIAL RESPONSES
•
BODY RADIUS: 1.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: PAINT
•
PERIPHERAL SHAPE STYLE: DIAMOND, ROUNDED CORNERS, TWO HOLES
TECHNICAL CHARACTERISTICS
LENGTH4.060 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH3.265 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLECLOSED VERTICAL SLOT
MATERIAL DOCUMENT AND CLASSIFICATIONCEM A-6, GRADE 1 MFR REF ALL MATERIAL RESPONSES
BODY RADIUS1.500 INCHES NOMINAL IN
SPECIAL FEATURESMATL 0.067 COMP THK STEEL, GRD 1 OR 2, SEE NAVISTAR SPEC A-6;FINISH COAT, NAV 0001 BLACK, EMS G05-5001
SURFACE TREATMENTPAINT
PERIPHERAL SHAPE STYLEDIAMOND, ROUNDED CORNERS, TWO HOLES
WIDTH4.060 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPLATE,COVER
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 686702C2?
686702C2 is a COVER,ACCESS.
What is the NSN for 686702C2?
686702C2 is cataloged in the U.S. Government catalog under NSN 5340-01-556-6789. 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.