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5297603 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5297603: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC BODY, overall_height: 3.125 INCHES NOMINAL IN, style_designator: THRU-HOLE, base_inside_diameter: 0.938 INCHES NOMINAL IN, opening_inside_diameter: 0.454 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-449-1136, 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
5297603
NSN: 5340-00-449-1136
FSC: 5340 — Hardware, Commercial
CAGE: 77060 — GENERAL MOTORS CORP PACKARD ELECTRIC DIV (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC BODY
overall_height3.125 INCHES NOMINAL IN
style_designatorTHRU-HOLE
base_inside_diameter0.938 INCHES NOMINAL IN
opening_inside_diameter0.454 INCHES NOMINAL IN
NSN5340-00-449-1136
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5297603 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
•
OPENING INSIDE DIAMETER: 0.454 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THRU-HOLE
•
BASE INSIDE DIAMETER: 0.938 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC BODY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.125 INCHES NOMINAL IN
OPENING INSIDE DIAMETER0.454 INCHES NOMINAL IN
STYLE DESIGNATORTHRU-HOLE
BASE INSIDE DIAMETER0.938 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC BODY
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
278MAK1Same 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 5297603?
5297603 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace 5297603?
There is 1 known substitute for 5297603: 278MAK1. Substitute compatibility should be verified for your specific system.
What is the NSN for 5297603?
5297603 is cataloged in the U.S. Government catalog under NSN 5340-00-449-1136. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.