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2-4860-1 — SUPPORT,STRUCTURAL COMPONENT,AIR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-4860-1: SUPPORT,STRUCTURAL COMPONENT,AIR.

SUPPORT,STRUCTURAL COMPONENT,AIR. Key specifications include height: 1.509 INCHES MINIMUM AND 1.709 INCHES MAXIMUM IN, material: STEEL BASE PLATE, flange_width: 3.000 INCHES NOMINAL IN, flange_length: 7.250 INCHES NOMINAL IN, flange_thickness: 0.250 INCHES NOMINAL IN, special_features: CONTAINS A CONCABE DEPRESSION AREA ON TOP,0.500 IN. DIA IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-370-7678, 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
2-4860-1
NSN: 5330-00-370-7678
NIINs: 003707678, 012264028, 016806736
FSC: 5330 — Packing and Gasket Materials
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
height1.509 INCHES MINIMUM AND 1.709 INCHES MAXIMUM IN
materialSTEEL BASE PLATE
flange_width3.000 INCHES NOMINAL IN
flange_length7.250 INCHES NOMINAL IN
flange_thickness0.250 INCHES NOMINAL IN
special_featuresCONTAINS A CONCABE DEPRESSION AREA ON TOP,0.500 IN. DIA IN
flange_mounting_hole_diameter0.436 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
material_document_and_classificationASTM A108 ASSN STD SINGLE MATERIAL RESPONSE BASE PLATE
distance_between_mounting_hole_centers6.250 INCHES NOMINAL IN
NSN5330-00-370-7678
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-4860-1 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
•
CROSS-SECTIONAL THICKNESS: 0.188 INCHES NOMINAL IN
•
BEARING SURFACE WIDTH: 0.312 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: LAC1-1896,GR 1,FSCM 36659 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 2.125 INCHES NOMINAL IN
•
APERTURE LENGTH: 3.938 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
HOLE DIAMETER: 0.156 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.188 INCHES NOMINAL IN
BEARING SURFACE WIDTH0.312 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONLAC1-1896,GR 1,FSCM 36659 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE WIDTH2.125 INCHES NOMINAL IN
APERTURE LENGTH3.938 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
HOLE DIAMETER0.156 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 2-4860-1?
2-4860-1 is a SUPPORT,STRUCTURAL COMPONENT,AIR.
What is the NSN for 2-4860-1?
2-4860-1 is cataloged in the U.S. Government catalog under NSN 5330-00-370-7678. This indicates validated use in U.S. government and defense supply chains.
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