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2AA658 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2AA658: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include end_item_identification: NSN 2320-01-552-2922 TRUCK TRACTOR, part_name_assigned_by_controlling_agency: VALVE-DUAL BRAKE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-586-0247, 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
2AA658
NSN: 5340-01-586-0247
FSC: 5340 — Hardware, Commercial
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
end_item_identificationNSN 2320-01-552-2922 TRUCK TRACTOR
part_name_assigned_by_controlling_agencyVALVE-DUAL BRAKE
NSN5340-01-586-0247
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2AA658 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE-DUAL BRAKE
END ITEM IDENTIFICATIONNSN 2320-01-552-2922 TRUCK TRACTOR
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
BW 247268Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
72001-3404Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 2AA658?
2AA658 is a PLATE,MOUNTING.
What parts can replace 2AA658?
There are 2 known substitutes for 2AA658: BW 247268, 72001-3404. Substitute compatibility should be verified for your specific system.
What is the NSN for 2AA658?
2AA658 is cataloged in the U.S. Government catalog under NSN 5340-01-586-0247. 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.