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7739989 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7739989: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 1.750 INCHES NOMINAL IN, length: 1.750 INCHES NOMINAL IN, material: STEEL COMP 1015, body_thickness: 0.375 INCHES NOMINAL IN, securing_device_type: SPECIAL, peripheral_shape_style: RECTANGLE, FOUR HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-018-9154, 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
7739989
NSN: 5340-01-018-9154
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width1.750 INCHES NOMINAL IN
length1.750 INCHES NOMINAL IN
materialSTEEL COMP 1015
body_thickness0.375 INCHES NOMINAL IN
special_featuresCENTER HOLE HAS 0.188 IN. FLANGE AROUND THE ENTIRE HOLE;0.266 IN. DIA MOUNTING HOLES;MOUNTING HOLES COUNTEREDBORED 0.391 IN. 0.266 IN. DEEP;DIA OF CENTER HOLE 0.687 IN. IN
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, FOUR HOLES
cross-sectional_shape_styleFLAT W/OPEN CENTER
distance_between_holes_along_width1.250 INCHES NOMINAL IN
distance_between_holes_along_length1.250 INCHES NOMINAL IN
material_document_and_classificationASTM-A576 ASSN STD SINGLE MATERIAL RESPONSE
distance_from_first_hole_centerline_to_end_along_width0.500 INCHES NOMINAL IN
NSN5340-01-018-9154
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7739989 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
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 0.500 INCHES NOMINAL IN
•
LENGTH: 1.750 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.250 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A576 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT W/OPEN CENTER
•
SECURING DEVICE TYPE: SPECIAL
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.500 INCHES NOMINAL IN
LENGTH1.750 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH1.250 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH1.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A576 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT W/OPEN CENTER
SECURING DEVICE TYPESPECIAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.500 INCHES NOMINAL IN
SPECIAL FEATURESCENTER HOLE HAS 0.188 IN. FLANGE AROUND THE ENTIRE HOLE;0.266 IN. DIA MOUNTING HOLES;MOUNTING HOLES COUNTEREDBORED 0.391 IN. 0.266 IN. DEEP;DIA OF CENTER HOLE 0.687 IN. IN
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
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 2
5340010189154Reference document
Same NSN cross-reference
Reference document — Informative reference only
1015010189154Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 7739989?
7739989 is a COVER,ACCESS.
What parts can replace 7739989?
There are 2 known substitutes for 7739989: 5340010189154, 1015010189154. Substitute compatibility should be verified for your specific system.
What is the NSN for 7739989?
7739989 is cataloged in the U.S. Government catalog under NSN 5340-01-018-9154. This indicates validated use in U.S. government and defense supply chains.
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