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2993875 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2993875: 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: 3.000 INCHES NOMINAL IN, style_designator: THRU-HOLE, base_inside_diameter: 3.130 INCHES NOMINAL IN, opening_inside_diameter: 0.750 INCHES NOMINAL IN, material_document_and_classification: MIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE BODY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-248-3243, 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
2993875
NSN: 5340-01-248-3243
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC BODY
overall_height3.000 INCHES NOMINAL IN
style_designatorTHRU-HOLE
base_inside_diameter3.130 INCHES NOMINAL IN
opening_inside_diameter0.750 INCHES NOMINAL IN
material_document_and_classificationMIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE BODY
NSN5340-01-248-3243
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2993875 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: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THRU-HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE BODY
•
BASE INSIDE DIAMETER: 3.130 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC BODY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.000 INCHES NOMINAL IN
OPENING INSIDE DIAMETER0.750 INCHES NOMINAL IN
STYLE DESIGNATORTHRU-HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE BODY
BASE INSIDE DIAMETER3.130 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

No substitute or cross-reference records for this part.

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 2993875?
2993875 is a BOOT,DUST AND MOISTURE SEAL.
What is the NSN for 2993875?
2993875 is cataloged in the U.S. Government catalog under NSN 5340-01-248-3243. 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.