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2122M78P02 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2122M78P02: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY C355.0, ear_radius: 0.320 INCHES NOMINAL IN, body_radius: 1.040 INCHES NOMINAL IN, hole_diameter: 0.271 INCHES MINIMUM AND 0.278 INCHES MAXIMUM IN, inverted_radius: 0.370 INCHES NOMINAL IN, features_provided: SEALING CAPABILITY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-174-4741, 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
2122M78P02
NSN: 5340-01-174-4741
FSC: 5340 — Hardware, Commercial
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY C355.0
ear_radius0.320 INCHES NOMINAL IN
body_radius1.040 INCHES NOMINAL IN
hole_diameter0.271 INCHES MINIMUM AND 0.278 INCHES MAXIMUM IN
inverted_radius0.370 INCHES NOMINAL IN
special_featuresPACKING SEAL GROOVE 0.135 - 0.140 IN. WIDE,1.889 - 1.892 IN. DIAMETER 0.105 - 0.110 IN. BELOW MTG FLANGE; COVER FOR CORE THROTTLING VALVE IN
features_providedSEALING CAPABILITY
securing_device_typeSPECIAL
peripheral_shape_styleROUND, THREE EARS AND HOLES
end_item_identificationAB FUEL CONTROL 7086M35 FOR F101-GE-102 AIRCRAFT ENGINE
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationAMS4215 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-174-4741
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2122M78P02 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
•
EAR RADIUS: 0.320 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS4215 ASSN STD SINGLE MATERIAL RESPONSE
•
INVERTED RADIUS: 0.370 INCHES NOMINAL IN
•
FEATURES PROVIDED: SEALING CAPABILITY
•
SECURING DEVICE TYPE: SPECIAL
•
BODY RADIUS: 1.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
EAR RADIUS0.320 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4215 ASSN STD SINGLE MATERIAL RESPONSE
INVERTED RADIUS0.370 INCHES NOMINAL IN
FEATURES PROVIDEDSEALING CAPABILITY
SECURING DEVICE TYPESPECIAL
BODY RADIUS1.040 INCHES NOMINAL IN
SPECIAL FEATURESPACKING SEAL GROOVE 0.135 - 0.140 IN. WIDE,1.889 - 1.892 IN. DIAMETER 0.105 - 0.110 IN. BELOW MTG FLANGE; COVER FOR CORE THROTTLING VALVE IN
PERIPHERAL SHAPE STYLEROUND, THREE EARS AND HOLES
END ITEM IDENTIFICATIONAB FUEL CONTROL 7086M35 FOR F101-GE-102 AIRCRAFT ENGINE
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
635E725P03Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2122M78P02?
2122M78P02 is a COVER,ACCESS.
What parts can replace 2122M78P02?
There is 1 known substitute for 2122M78P02: 635E725P03. Substitute compatibility should be verified for your specific system.
What is the NSN for 2122M78P02?
2122M78P02 is cataloged in the U.S. Government catalog under NSN 5340-01-174-4741. This indicates validated use in U.S. government and defense supply chains.
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