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Technical Data Sheet
PartsTable / COMPONENT / 8437849
8437849 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: SPIRAL, usage_design: EXTERNAL, inside_diameter: 0.570 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN, major_thickness: 0.036 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN, strength_rating: ERR-060. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-178-6073, 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
8437849
NSN: 5325-00-178-6073
FSC: 5325
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPIRAL
usage_designEXTERNAL
inside_diameter0.570 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN
major_thickness0.036 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN
strength_ratingERR-060
outside_diameter0.680 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
NSN5325-00-178-6073
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8437849 · 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
•
STRENGTH RATING: ERR-060
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL: STEEL
•
RING STYLE: SPIRAL
•
MAJOR THICKNESS: 0.036 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
TECHNICAL CHARACTERISTICS (FLIS)
STRENGTH RATINGERR-060
SURFACE TREATMENTCADMIUM
SURFACE TREATMENTCADMIUM
MATERIALSTEEL
RING STYLESPIRAL
MAJOR THICKNESS0.036 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN
MATERIALSTEEL
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
INSIDE DIAMETER0.570 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.680 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
N401P8CInterchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-P-416Interchangeable
interchangeable cross-reference
interchangeable
ASTM B121/B121M UNS-C33500 ANNEAInterchangeable
interchangeable cross-reference
interchangeable
363879-3Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222Interchangeable
interchangeable cross-reference
interchangeable
M1222B3X8C268GFNZEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8437849?
8437849 is a RING,RETAINING.
What parts can replace 8437849?
There are 8 known substitutes for 8437849: N401P8C, AMS-QQ-P-416, ASTM B121/B121M UNS-C33500 ANNEA and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8437849?
8437849 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-178-6073. 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