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421860-1 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

421860-1: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: STEEL, overall_width: 2.500 INCHES NOMINAL IN, overall_length: 4.000 INCHES NOMINAL IN, mounting_hole_type: PLAIN, mounting_hole_diameter: 0.340 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN, end_item_identification: MRAP; RG-31. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-598-8493, 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
421860-1
NSN: 5340-01-598-8493
FSC: 5340 — Hardware, Commercial
CAGE: 05BU0 — KIDDE TECHNOLOGIES INC DBA KIDDE DUAL SPECTRUM DIV KIDDE DUAL SPECTRUM (USA)
SPECIFICATIONS
materialSTEEL
overall_width2.500 INCHES NOMINAL IN
overall_length4.000 INCHES NOMINAL IN
mounting_hole_typePLAIN
mounting_hole_diameter0.340 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
mounting_hole_quantity2
end_item_identificationMRAP; RG-31
material_document_and_classificationASTM A-36 ASSN STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyNOZZLE MOUNT
NSN5340-01-598-8493
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 421860-1 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 QUANTITY: 2
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A-36 ASSN STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.340 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-36 ASSN STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.340 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
OVERALL LENGTH4.000 INCHES NOMINAL IN
OVERALL WIDTH2.500 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNOZZLE MOUNT
END ITEM IDENTIFICATIONMRAP; RG-31
MATERIALSTEEL
MOUNTING HOLE TYPEPLAIN
SUBSTITUTES & CROSS-REFERENCES 1
421860Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 421860-1?
421860-1 is a BRACKET,MOUNTING.
What parts can replace 421860-1?
There is 1 known substitute for 421860-1: 421860. Substitute compatibility should be verified for your specific system.
What is the NSN for 421860-1?
421860-1 is cataloged in the U.S. Government catalog under NSN 5340-01-598-8493. This indicates validated use in U.S. government and defense supply chains.
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