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Technical Data Sheet
PartsTable / COMPONENT / N5000-51MF
N5000-51MF ✓ 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 COMP 1074, ring_style: INTERNAL, usage_design: INTERNAL, major_thickness: 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN, outside_diameter: 0.555 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN, surface_treatment: CADMIUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-926-5440, 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
N5000-51MF
NSN: 5325-00-926-5440
FSC: 5325
CAGE: 07382 — ROTOR CLIP COMPANY, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1074
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
outside_diameter0.555 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 73.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 5120, COMPOSITION 1074 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-926-5440
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: N5000-51MF · 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: STEEL COMP 1074
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5120, COMPOSITION 1074 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL HARDNESS RATING: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 73.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
USAGE DESIGN: INTERNAL
•
MAJOR THICKNESS: 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
RING STYLE: INTERNAL
•
OUTSIDE DIAMETER: 0.555 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1074
SURFACE TREATMENTCADMIUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5120, COMPOSITION 1074 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATING66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 73.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGNINTERNAL
MAJOR THICKNESS0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
RING STYLEINTERNAL
OUTSIDE DIAMETER0.555 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MS28775-327Interchangeable
interchangeable cross-reference
interchangeable
7377-327Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS28775Interchangeable
interchangeable cross-reference
interchangeable
71161Interchangeable
interchangeable cross-reference
interchangeable
5920Interchangeable
interchangeable cross-reference
interchangeable
501212Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N5000-51MF?
N5000-51MF is a RING,RETAINING.
What parts can replace N5000-51MF?
There are 12 known substitutes for N5000-51MF: MS28775-327, 7377-327, SAE-AS28775 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N5000-51MF?
N5000-51MF is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-926-5440. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026