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751-6402406 FIND 48 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

751-6402406 FIND 48: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_depth: 1.000 INCHES NOMINAL IN, hole_diameter: 1.410 INCHES NOMINAL IN, overall_height: 1.000 INCHES NOMINAL IN, style_designator: FLAT RECESSED TOP, end_item_identification: TORPEDO TUBE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-501-2484, 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
751-6402406 FIND 48
NSN: 5340-01-501-2484
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER
hole_depth1.000 INCHES NOMINAL IN
hole_diameter1.410 INCHES NOMINAL IN
overall_height1.000 INCHES NOMINAL IN
special_featuresTOP AND BOTTOM INSIDE EDGES ARE CHAMPHERED AT 45 DEGREES BY 0.040 IN; THE TOP AND BOTTOM OUTSIDE EDGES ARE CHAMPHERED A 30 DEGREES BY 0.060 IN IN
style_designatorFLAT RECESSED TOP
end_item_identificationTORPEDO TUBE
outside/top_flange_diameter2.120 INCHES NOMINAL IN
material_document_and_classificationMIL-R-6855, CLASS 2, TYPE A, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-501-2484
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 751-6402406 FIND 48 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
•
OUTSIDE/TOP FLANGE DIAMETER: 2.120 INCHES NOMINAL IN
•
HOLE DEPTH: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT RECESSED TOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6855, CLASS 2, TYPE A, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.000 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER2.120 INCHES NOMINAL IN
HOLE DEPTH1.000 INCHES NOMINAL IN
STYLE DESIGNATORFLAT RECESSED TOP
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855, CLASS 2, TYPE A, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE
COLORBLACK
SPECIAL FEATURESTOP AND BOTTOM INSIDE EDGES ARE CHAMPHERED AT 45 DEGREES BY 0.040 IN; THE TOP AND BOTTOM OUTSIDE EDGES ARE CHAMPHERED A 30 DEGREES BY 0.060 IN IN
END ITEM IDENTIFICATIONTORPEDO TUBE
MATERIALRUBBER
HOLE DIAMETER1.410 INCHES NOMINAL IN
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 4
211052078Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
751-6402404-48Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
751-6402948 ITEM 1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
751-6402948Reference document
Same NSN cross-reference
Reference document — Drawing number 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 751-6402406 FIND 48?
751-6402406 FIND 48 is a BUMPER.
What parts can replace 751-6402406 FIND 48?
There are 4 known substitutes for 751-6402406 FIND 48: 211052078, 751-6402404-48, 751-6402948 ITEM 1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 751-6402406 FIND 48?
751-6402406 FIND 48 is cataloged in the U.S. Government catalog under NSN 5340-01-501-2484. 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.