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7972928 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7972928: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, hole_diameter: 0.406 INCHES NOMINAL IN, body_thickness: 0.5000 INCHES NOMINAL IN, outside_diameter: 6.750 INCHES NOMINAL IN, special_features: OBSERVATION FACILITY CENTER HOLE 2.125 IN DIA IN, features_provided: OBSERVATION FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-168-2813, 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
7972928
NSN: 5340-00-168-2813
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
hole_diameter0.406 INCHES NOMINAL IN
body_thickness0.5000 INCHES NOMINAL IN
outside_diameter6.750 INCHES NOMINAL IN
special_featuresOBSERVATION FACILITY CENTER HOLE 2.125 IN DIA IN
features_providedOBSERVATION FACILITY
securing_device_typeTHREADED FASTENER
first_recess_inside_height3.000 INCHES NOMINAL IN
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationMIL-A-12560, CLASS 1 OR 2 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-168-2813
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7972928 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
•
FIRST RECESS INSIDE HEIGHT: 3.000 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-12560, CLASS 1 OR 2 MIL SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 6.750 INCHES NOMINAL IN
•
FEATURES PROVIDED: OBSERVATION FACILITY
•
SECURING DEVICE TYPE: THREADED FASTENER
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
FIRST RECESS INSIDE HEIGHT3.000 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-12560, CLASS 1 OR 2 MIL SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER6.750 INCHES NOMINAL IN
FEATURES PROVIDEDOBSERVATION FACILITY
SECURING DEVICE TYPETHREADED FASTENER
SPECIAL FEATURESOBSERVATION FACILITY CENTER HOLE 2.125 IN DIA IN
MATERIALSTEEL
HOLE DIAMETER0.406 INCHES NOMINAL IN
BODY THICKNESS0.5000 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 1
5340001682813Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7972928?
7972928 is a COVER,ACCESS.
What parts can replace 7972928?
There is 1 known substitute for 7972928: 5340001682813. Substitute compatibility should be verified for your specific system.
What is the NSN for 7972928?
7972928 is cataloged in the U.S. Government catalog under NSN 5340-00-168-2813. This indicates validated use in U.S. government and defense supply chains.
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