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R4-323 — R4-323

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

R4-323: R4-323.

The R4-323 is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: 90 DEGREE PARALLEL, ring_style: STRAIGHT GAP, control_type: LOCAL, usage_design: INTERNAL, overall_width: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-048-4809, 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→ R4-323
NSN: 5325-01-048-4809
NIINs: 010484809, 012606639, 013065694
FSC: 5325 — Fastening Devices
CAGE: 88174 — INGERSOLL RAND CO ATHENS PLANT (USA)
SPECIFICATIONS
materialSTEEL
end_style90 DEGREE PARALLEL
ring_styleSTRAIGHT GAP
control_typeLOCAL
usage_designINTERNAL
overall_width0.250 INCHES NOMINAL IN
inclosure_typeENCASED
overall_height0.130 INCHES NOMINAL IN
overall_length1.030 INCHES NOMINAL IN
connection_typePIN LEFT SIDE
inside_diameter2.565 INCHES NOMINAL IN
major_thickness0.130 INCHES NOMINAL IN
NSN5325-01-048-4809
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: R4-323 · 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
•
USAGE DESIGN: INTERNAL
•
END STYLE: 90 DEGREE PARALLEL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 2.835 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.130 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.565 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: CASEHARDENED
•
RING STYLE: STRAIGHT GAP
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
END STYLE90 DEGREE PARALLEL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER2.835 INCHES NOMINAL IN
MAJOR THICKNESS0.130 INCHES NOMINAL IN
INSIDE DIAMETER2.565 INCHES NOMINAL IN
CASEHARDENING INDICATORCASEHARDENED
RING STYLESTRAIGHT GAP
MATERIALSTEEL
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 R4-323?
R4-323 is a R4-323. It is classified as a MRO (MRO_GENERAL).
What is the NSN for R4-323?
R4-323 is cataloged in the U.S. Government catalog under NSN 5325-01-048-4809. 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.