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42R2059-1375 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

42R2059-1375: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: 90 DEGREE PARALLEL, ring_style: INTERNAL, usage_design: INTERNAL, inside_diameter: 4.125 INCHES NOMINAL IN, major_thickness: 0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-282-2380, 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
42R2059-1375
NSN: 5325-00-282-2380
FSC: 5325 — Fastening Devices
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL
end_style90 DEGREE PARALLEL
ring_styleINTERNAL
usage_designINTERNAL
inside_diameter4.125 INCHES NOMINAL IN
major_thickness0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
outside_diameter4.500 INCHES MINIMUM AND 4.562 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleROUNDED CORNERS
material_document_and_classificationJAN-S-1160,GRADE 2,TYPE B,MATERIAL 8,COMPOSITION NO. 2 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-282-2380
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 42R2059-1375 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: INTERNAL
•
END STYLE: 90 DEGREE PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: JAN-S-1160,GRADE 2,TYPE B,MATERIAL 8,COMPOSITION NO. 2 MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS
•
OUTSIDE DIAMETER: 4.500 INCHES MINIMUM AND 4.562 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 4.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
USAGE DESIGNINTERNAL
END STYLE90 DEGREE PARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONJAN-S-1160,GRADE 2,TYPE B,MATERIAL 8,COMPOSITION NO. 2 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEROUNDED CORNERS
OUTSIDE DIAMETER4.500 INCHES MINIMUM AND 4.562 INCHES MAXIMUM IN
MAJOR THICKNESS0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
INSIDE DIAMETER4.125 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEINTERNAL
SUBSTITUTES & CROSS-REFERENCES 1
221498PC5Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 42R2059-1375?
42R2059-1375 is a RING,RETAINING.
What parts can replace 42R2059-1375?
There is 1 known substitute for 42R2059-1375: 221498PC5. Substitute compatibility should be verified for your specific system.
What is the NSN for 42R2059-1375?
42R2059-1375 is cataloged in the U.S. Government catalog under NSN 5325-00-282-2380. This indicates validated use in U.S. government and defense supply chains.
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