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04-21724 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

04-21724: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, overall_width: 49.2 MILLIMETERS MINIMUM AND 50.8 MILLIMETERS MAXIMUM MM, overall_height: 3.175 MILLIMETERS NOMINAL MM, overall_length: 49.2 MILLIMETERS MINIMUM AND 60.8 MILLIMETERS MAXIMUM MM, end_item_identification: 6115-01-561-7329, part_name_assigned_by_controlling_agency: BUMPER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-640-8447, 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
04-21724
NSN: 5340-01-640-8447
FSC: 5340 — Hardware, Commercial
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
overall_width49.2 MILLIMETERS MINIMUM AND 50.8 MILLIMETERS MAXIMUM MM
overall_height3.175 MILLIMETERS NOMINAL MM
overall_length49.2 MILLIMETERS MINIMUM AND 60.8 MILLIMETERS MAXIMUM MM
special_featuresITEM HAS A DIAMOND SHAPED APERTURE WITH ROUNDED CORNERS. EACH SIDE IS 13.87MIN/14.25MAX. CORNERS ARE ROUNDED 0N A 16MM DIAMETER. THE ENTIRE ITEM ALSO HAS ROUNDED CORNERS 12MM RADIUS +/- 1.5MM. MM
end_item_identification6115-01-561-7329
part_name_assigned_by_controlling_agencyBUMPER
NSN5340-01-640-8447
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 04-21724 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
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.175 MILLIMETERS NOMINAL MM
OVERALL LENGTH49.2 MILLIMETERS MINIMUM AND 60.8 MILLIMETERS MAXIMUM MM
OVERALL WIDTH49.2 MILLIMETERS MINIMUM AND 50.8 MILLIMETERS MAXIMUM MM
SPECIAL FEATURESITEM HAS A DIAMOND SHAPED APERTURE WITH ROUNDED CORNERS. EACH SIDE IS 13.87MIN/14.25MAX. CORNERS ARE ROUNDED 0N A 16MM DIAMETER. THE ENTIRE ITEM ALSO HAS ROUNDED CORNERS 12MM RADIUS +/- 1.5MM. MM
PART NAME ASSIGNED BY CONTROLLING AGENCYBUMPER
END ITEM IDENTIFICATION6115-01-561-7329
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 04-21724?
04-21724 is a BUMPER.
What is the NSN for 04-21724?
04-21724 is cataloged in the U.S. Government catalog under NSN 5340-01-640-8447. This indicates validated use in U.S. government and defense supply chains.
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