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394421 — BUSHING,SLEEVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

394421: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440F OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.2680 INCHES MINIMUM AND 0.2700 INCHES MAXIMUM IN, hardness_rating: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, surface_treatment: COPPER ALLOY OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-062-7036, 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
394421
NSN: 5330-00-062-7036
NIINs: 000627036, 005169677
FSC: 5330 — Packing and Gasket Materials
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 440F OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.2680 INCHES MINIMUM AND 0.2700 INCHES MAXIMUM IN
hardness_rating50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
surface_treatmentCOPPER ALLOY OVERALL
body_inside_diameter0.2020 INCHES MINIMUM AND 0.2030 INCHES MAXIMUM IN
body_outside_diameter0.3100 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM IN
material_document_and_classificationAMS5632 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-062-7036
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 394421 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
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CROSS-SECTIONAL THICKNESS: 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
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STYLE DESIGNATOR: CIRCULAR
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MATERIAL DOCUMENT AND CLASSIFICATION: 2761 FSCM 00853 MFR REF SINGLE MATERIAL RESPONSE OVERALL
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CROSS-SECTIONAL SHAPE STYLE: HOLLOW
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OUTSIDE DIAMETER: 3.450 INCHES MINIMUM AND 3.455 INCHES MAXIMUM IN
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APERTURE DIAMETER: 3.242 INCHES MINIMUM AND 3.271 INCHES MAXIMUM IN
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SURFACE TREATMENT: SILVER OVERALL
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MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATION2761 FSCM 00853 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEHOLLOW
OUTSIDE DIAMETER3.450 INCHES MINIMUM AND 3.455 INCHES MAXIMUM IN
APERTURE DIAMETER3.242 INCHES MINIMUM AND 3.271 INCHES MAXIMUM IN
SURFACE TREATMENTSILVER OVERALL
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 394421?
394421 is a BUSHING,SLEEVE.
What is the NSN for 394421?
394421 is cataloged in the U.S. Government catalog under NSN 5330-00-062-7036. 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.