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21782030 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21782030: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: MATERIAL: A1S1 1006-1010 OR PER ES10361; WEIGHT: 14 GRAMS G, end_item_identification: 2320-01-552-2924 HEAVY DUMP TRUCK, part_name_assigned_by_controlling_agency: RETAINING RING (FLANGE). This part is cataloged in the U.S.

Government catalog under NSN 5340-01-723-1127, 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
21782030
NSN: 5340-01-723-1127
FSC: 5340 — Hardware, Commercial
CAGE: 5NS11 — VOLVO GROUP NORTH AMERICA LLC DBA VOLVO GROUP NORTH AMERICA, INC (USA)
SPECIFICATIONS
materialSTEEL
special_featuresMATERIAL: A1S1 1006-1010 OR PER ES10361; WEIGHT: 14 GRAMS G
end_item_identification2320-01-552-2924 HEAVY DUMP TRUCK
part_name_assigned_by_controlling_agencyRETAINING RING (FLANGE)
NSN5340-01-723-1127
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21782030 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: STEEL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMATERIAL: A1S1 1006-1010 OR PER ES10361; WEIGHT: 14 GRAMS G
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINING RING (FLANGE)
END ITEM IDENTIFICATION2320-01-552-2924 HEAVY DUMP TRUCK
MATERIALSTEEL
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
8018674Reference 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 21782030?
21782030 is a BRACKET,MOUNTING.
What parts can replace 21782030?
There is 1 known substitute for 21782030: 8018674. Substitute compatibility should be verified for your specific system.
What is the NSN for 21782030?
21782030 is cataloged in the U.S. Government catalog under NSN 5340-01-723-1127. 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.