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6122977 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6122977: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061, body_thickness: 1.287 INCHES NOMINAL IN, flange_thickness: 0.700 INCHES NOMINAL IN, outside_diameter: 8.330 INCHES NOMINAL IN, special_features: 8 MTG EARS,0.375 IN. DIA IN, surface_treatment: PRIMER.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-259-0307, 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
6122977
NSN: 5340-01-259-0307
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
body_thickness1.287 INCHES NOMINAL IN
flange_thickness0.700 INCHES NOMINAL IN
outside_diameter8.330 INCHES NOMINAL IN
special_features8 MTG EARS,0.375 IN. DIA IN
surface_treatmentPRIMER
bolt_circle_diameter7.294 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity8
cross-sectional_shape_styleFLAT, SQUARE OR RECTANGULAR RIB REINFORCED
mounting_opening_shape_styleTHREADED HOLE
NSN5340-01-259-0307
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6122977 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-85582,TY1 MIL SPEC SINGLE TREATMENT RESPONSE
•
FLANGE THICKNESS: 0.700 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 8
•
MOUNTING OPENING SHAPE STYLE: THREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT, SQUARE OR RECTANGULAR RIB REINFORCED
•
OUTSIDE DIAMETER: 8.330 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-85582,TY1 MIL SPEC SINGLE TREATMENT RESPONSE
FLANGE THICKNESS0.700 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY8
MOUNTING OPENING SHAPE STYLETHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT, SQUARE OR RECTANGULAR RIB REINFORCED
OUTSIDE DIAMETER8.330 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
BOLT CIRCLE DIAMETER7.294 INCHES NOMINAL IN
SPECIAL FEATURES8 MTG EARS,0.375 IN. DIA 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6122977?
6122977 is a COVER,ACCESS.
What is the NSN for 6122977?
6122977 is cataloged in the U.S. Government catalog under NSN 5340-01-259-0307. 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.