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62.90.078 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

62.90.078: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, material_hardness_rating: 65.0 DUROMETER MINIMUM AND 75.0 DUROMETER MAXIMUM, material_document_and_classification: MIL-STD-417, TYPE S, CLASS SB, GRADE SB710BE3F1 MIL STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-321-5954, 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
62.90.078
NSN: 5340-00-321-5954
FSC: 5340 — Hardware, Commercial
CAGE: 0124B — SAPA OPERACIONES SL (ESP)
SPECIFICATIONS
materialRUBBER
material_hardness_rating65.0 DUROMETER MINIMUM AND 75.0 DUROMETER MAXIMUM
material_document_and_classificationMIL-STD-417, TYPE S, CLASS SB, GRADE SB710BE3F1 MIL STD SINGLE MATERIAL RESPONSE
NSN5340-00-321-5954
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 62.90.078 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 HARDNESS RATING: 65.0 DUROMETER MINIMUM AND 75.0 DUROMETER MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-STD-417, TYPE S, CLASS SB, GRADE SB710BE3F1 MIL STD SINGLE MATERIAL RESPONSE
•
COLOR: BLACK
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING65.0 DUROMETER MINIMUM AND 75.0 DUROMETER MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-STD-417, TYPE S, CLASS SB, GRADE SB710BE3F1 MIL STD SINGLE MATERIAL RESPONSE
COLORBLACK
MATERIALRUBBER
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 2
5340003215954Reference document
Same NSN cross-reference
Reference document — Secondary reference
7709709Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 62.90.078?
62.90.078 is a BUMPER.
What parts can replace 62.90.078?
There are 2 known substitutes for 62.90.078: 5340003215954, 7709709. Substitute compatibility should be verified for your specific system.
What is the NSN for 62.90.078?
62.90.078 is cataloged in the U.S. Government catalog under NSN 5340-00-321-5954. This indicates validated use in U.S. government and defense supply chains.
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