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6KK553 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6KK553: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: ALUMINUM, overall_width: 2.000 INCHES NOMINAL IN, overall_height: 0.688 INCHES NOMINAL IN, overall_length: 4.966 INCHES NOMINAL IN, mounting_hole_diameter: 0.203 INCHES NOMINAL IN, end_item_identification: 2330-01-504-5014 HIMARS RST. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-525-5153, 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
6KK553
NSN: 5340-01-525-5153
FSC: 5340 — Hardware, Commercial
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialALUMINUM
overall_width2.000 INCHES NOMINAL IN
overall_height0.688 INCHES NOMINAL IN
overall_length4.966 INCHES NOMINAL IN
mounting_hole_diameter0.203 INCHES NOMINAL IN
end_item_identification2330-01-504-5014 HIMARS RST
part_name_assigned_by_controlling_agencyHASP MTG. BRACKET
NSN5340-01-525-5153
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6KK553 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
•
MOUNTING HOLE DIAMETER: 0.203 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.688 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.203 INCHES NOMINAL IN
OVERALL LENGTH4.966 INCHES NOMINAL IN
OVERALL WIDTH2.000 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYHASP MTG. BRACKET
END ITEM IDENTIFICATION2330-01-504-5014 HIMARS RST
MATERIALALUMINUM
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
H-4689-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 6KK553?
6KK553 is a BRACKET,MOUNTING.
What parts can replace 6KK553?
There is 1 known substitute for 6KK553: H-4689-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 6KK553?
6KK553 is cataloged in the U.S. Government catalog under NSN 5340-01-525-5153. 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.