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6891429 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6891429: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, slot_width: 0.520 INCHES NOMINAL IN, inside_angle: 180.0 DEGREES NOMINAL, pilot_height: 0.040 INCHES NOMINAL IN, body_thickness: 0.070 INCHES NOMINAL IN, pilot_diameter: 1.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-005-2651, 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
6891429
NSN: 5340-01-005-2651
FSC: 5340 — Hardware, Commercial
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
slot_width0.520 INCHES NOMINAL IN
inside_angle180.0 DEGREES NOMINAL
pilot_height0.040 INCHES NOMINAL IN
body_thickness0.070 INCHES NOMINAL IN
pilot_diameter1.500 INCHES NOMINAL IN
inside_diameter1.370 INCHES NOMINAL IN
flange_thickness0.191 INCHES NOMINAL IN
outside_diameter2.117 INCHES NOMINAL IN
features_providedSEALING CAPABILITY
surface_treatmentPASSIVATE
body_outside_radius0.112 INCHES NOMINAL IN
NSN5340-01-005-2651
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6891429 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
•
FLANGE THICKNESS: 0.191 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.050 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.550 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: OPEN VERTICAL CURVED SLOT
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
OUTSIDE DIAMETER: 2.117 INCHES NOMINAL IN
•
FEATURES PROVIDED: SEALING CAPABILITY
•
SECURING DEVICE TYPE: FLUSH CATCH
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.191 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.050 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.550 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEOPEN VERTICAL CURVED SLOT
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
OUTSIDE DIAMETER2.117 INCHES NOMINAL IN
FEATURES PROVIDEDSEALING CAPABILITY
SECURING DEVICE TYPEFLUSH CATCH
PILOT DIAMETER1.500 INCHES NOMINAL IN
INSIDE DIAMETER1.370 INCHES NOMINAL IN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6891429?
6891429 is a COVER,ACCESS.
What is the NSN for 6891429?
6891429 is cataloged in the U.S. Government catalog under NSN 5340-01-005-2651. 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.