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181741 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

181741: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 29, inside_diameter: 0.290 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 3.187 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-006-9378, 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
181741
NSN: 5325-00-006-9378
NIINs: 000069378, 009897694
FSC: 5325 — Fastening Devices
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity29
inside_diameter0.290 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length3.187 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter0.410 INCHES NOMINAL IN
NSN5325-00-006-9378
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 181741 · 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: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1065-1090 ASSN STD SINGLE MATERIAL RESPONSE
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CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
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OUTSIDE DIAMETER: 1.140 INCHES MINIMUM AND 1.165 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: INTERNAL INVERTED LUGS
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1065-1090 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER1.140 INCHES MINIMUM AND 1.165 INCHES MAXIMUM IN
MAJOR THICKNESS0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEINTERNAL INVERTED LUGS
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 181741?
181741 is a RING,RETAINING.
What is the NSN for 181741?
181741 is cataloged in the U.S. Government catalog under NSN 5325-00-006-9378. This indicates validated use in U.S. government and defense supply chains.
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