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Technical Data Sheet
PartsTable / O-RING / 1FX58
1FX58 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

SCREWDRIVER ATTACHMENT,SOCKET WR. Key specifications include material: STEEL OVERALL, blade_length: 5.000 INCHES NOMINAL IN, overall_length: 6.25 INCHES NOMINAL IN, special_features: BALL END, style_designator: HEXAGON, features_provided: MANUAL TOOL AND REPLACEABLE BIT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-148-1409, 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
1FX58
NSN: 5331-00-148-1409
FSC: 5331 — O-RING
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
blade_length5.000 INCHES NOMINAL IN
overall_length6.25 INCHES NOMINAL IN
special_featuresBALL END
style_designatorHEXAGON
features_providedMANUAL TOOL AND REPLACEABLE BIT
surface_treatmentCHROMIUM DRIVE SURFACE
drive_surface_size0.375 INCHES NOMINAL SINGLE END IN
wrenching_surface_size0.156 INCHES NOMINAL SINGLE END IN
wrenching_surface_shapeHEXAGON SINGLE END EXTERNAL
NSN5331-00-148-1409
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1FX58 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
•
MATERIAL: RUBBER SYNTHETIC
•
CROSS-SECTIONAL HEIGHT: 0.130 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT0.130 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
MS16625-1387Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-21248Interchangeable
interchangeable cross-reference
interchangeable
3000-X387-ST-CDInterchangeable
interchangeable cross-reference
interchangeable
B119179Interchangeable
interchangeable cross-reference
interchangeable
73296R91Interchangeable
interchangeable cross-reference
interchangeable
70585R91Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1FX58?
1FX58 is a SCREWDRIVER ATTACHMENT,SOCKET WR.
What parts can replace 1FX58?
There are 13 known substitutes for 1FX58: MS16625-1387, MIL-DTL-21248, 3000-X387-ST-CD and 10 more. Substitute compatibility should be verified for your specific system.
Is 1FX58 still available?
1FX58 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026