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912112-100 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

912112-100: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 356.0, ear_radius: 0.380 INCHES NOMINAL IN, body_radius: 4.000 INCHES NOMINAL IN, hole_diameter: 0.250 INCHES NOMINAL IN, body_thickness: 0.130 INCHES NOMINAL IN, inside_diameter: 6.560 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-211-6780, 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
912112-100
NSN: 5340-01-211-6780
FSC: 5340 — Hardware, Commercial
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 356.0
ear_radius0.380 INCHES NOMINAL IN
body_radius4.000 INCHES NOMINAL IN
hole_diameter0.250 INCHES NOMINAL IN
body_thickness0.130 INCHES NOMINAL IN
inside_diameter6.560 INCHES NOMINAL IN
inverted_radius0.380 INCHES NOMINAL IN
flange_thickness0.130 INCHES NOMINAL IN
special_featuresMOUNTING HOLES 0.250-20 UNC 2B THREAD SIZE
bolt_circle_diameter8.312 INCHES NOMINAL IN
inside_corner_radius0.120 INCHES NOMINAL IN
peripheral_shape_styleROUND, FOUR EARS AND HOLES
NSN5340-01-211-6780
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 912112-100 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: 0.130 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.120 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 3.760 INCHES NOMINAL IN
•
EAR RADIUS: 0.380 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-21180,CL 12 MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
INVERTED RADIUS: 0.380 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.130 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.120 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT3.760 INCHES NOMINAL IN
EAR RADIUS0.380 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-21180,CL 12 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
INVERTED RADIUS0.380 INCHES NOMINAL IN
BODY RADIUS4.000 INCHES NOMINAL IN
INSIDE DIAMETER6.560 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
912112-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 912112-100?
912112-100 is a COVER,ACCESS.
What parts can replace 912112-100?
There is 1 known substitute for 912112-100: 912112-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 912112-100?
912112-100 is cataloged in the U.S. Government catalog under NSN 5340-01-211-6780. This indicates validated use in U.S. government and defense supply chains.
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