PartsTable
Technical Data Sheet
PartsTable / MRO / 348-8-5-5
348-8-5-5 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The FUSEHOLDER,EXTRACTOR POST is a the manufacturer industrial component. Key specifications include shape: IRREGULAR, material: COPPER CONTACT, body_style: REAR PANEL MOUNTED TYPE, design_type: FILTER MEDIA WITH FRAME, corner_shape: SQUARE ALL CORNERS, overall_width: 0.600 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-554-1343, 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
MRO→ MRO_GENERAL→ 348-8-5-5
NSN: 3120-00-554-1343
FSC: 3120
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
shapeIRREGULAR
materialCOPPER CONTACT
body_styleREAR PANEL MOUNTED TYPE
design_typeFILTER MEDIA WITH FRAME
corner_shapeSQUARE ALL CORNERS
overall_width0.600 INCHES NOMINAL IN
frame_materialPLASTIC
overall_height0.876 INCHES NOMINAL IN
overall_length2.578 INCHES NOMINAL IN
surface_finish100.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
hardness_rating37.0 ROCKWELL C NOMINAL OVERALL
mounting_methodFORCE FIT
NSN3120-00-554-1343
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 348-8-5-5 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BODY OUTSIDE DIAMETER: 0.3737 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
HARDNESS RATING: 37.0 ROCKWELL C NOMINAL OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: STEEL COMP 4130 OVERALL
•
SURFACE FINISH: 100.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OUTSIDE DIAMETER SURFACE OF BODY
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER0.3737 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
HARDNESS RATING37.0 ROCKWELL C NOMINAL OVERALL
CORNER SHAPESQUARE ALL CORNERS
MATERIALSTEEL COMP 4130 OVERALL
SURFACE FINISH100.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OUTSIDE DIAMETER SURFACE OF BODY
BODY INSIDE DIAMETER0.2500 INCHES MINIMUM AND 0.2508 INCHES MAXIMUM IN
OVERALL LENGTH2.8000 INCHES MINIMUM AND 2.8200 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
348870Interchangeable
interchangeable cross-reference
interchangeable
136-002Interchangeable
interchangeable cross-reference
interchangeable
348855Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 348-8-5-5?
348-8-5-5 is a FUSEHOLDER,EXTRACTOR POST. It is classified as a MRO (MRO_GENERAL).
What parts can replace 348-8-5-5?
There are 3 known substitutes for 348-8-5-5: 348870, 136-002, 348855. Substitute compatibility should be verified for your specific system.
What is the NSN for 348-8-5-5?
348-8-5-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-554-1343. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026