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745638 — KEYBOARD,DATA ENTRY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

745638: KEYBOARD,DATA ENTRY.

The KEYBOARD,DATA ENTRY is a the manufacturer industrial component. Key specifications include angle: 45.0 DEGREES NOMINAL, material: RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL, hardness_rating: 45.0 SHORE DUROMETER A NOMINAL OVERALL, lip_inside_diameter: 2.148 INCHES NOMINAL IN, peripheral_diameter: 2.500 INCHES NOMINAL IN, center_hole_diameter: 1.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-210-3698, 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
745638
NSN: 5330-00-210-3698
NIINs: 002103698, 013361706
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
angle45.0 DEGREES NOMINAL
materialRUBBER BUTADIENE-STYRENE CLASS SBR OVERALL
hardness_rating45.0 SHORE DUROMETER A NOMINAL OVERALL
lip_inside_diameter2.148 INCHES NOMINAL IN
peripheral_diameter2.500 INCHES NOMINAL IN
center_hole_diameter1.375 INCHES NOMINAL IN
cross-sectional_height0.250 INCHES NOMINAL IN
flanged_body_outside_diameter1.750 INCHES NOMINAL IN
material_document_and_classificationMIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-210-3698
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 745638 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
•
LIP INSIDE DIAMETER: 2.148 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.250 INCHES NOMINAL IN
•
HARDNESS RATING: 45.0 SHORE DUROMETER A NOMINAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
ANGLE: 45.0 DEGREES NOMINAL
•
FLANGED BODY OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 2.500 INCHES NOMINAL IN
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
LIP INSIDE DIAMETER2.148 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
HARDNESS RATING45.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
ANGLE45.0 DEGREES NOMINAL
FLANGED BODY OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
PERIPHERAL DIAMETER2.500 INCHES NOMINAL IN
COLORBLACK
CENTER HOLE DIAMETER1.375 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-STYRENE CLASS SBR OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
BUWEPSDWG745638Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 745638?
745638 is a KEYBOARD,DATA ENTRY.
What parts can replace 745638?
There is 1 known substitute for 745638: BUWEPSDWG745638. Substitute compatibility should be verified for your specific system.
What is the NSN for 745638?
745638 is cataloged in the U.S. Government catalog under NSN 5330-00-210-3698. This indicates validated use in U.S. government and defense supply chains.
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