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9731A250 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9731A250: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, inside_diameter: 0.100 INCHES NOMINAL IN, major_thickness: 0.015 INCHES NOMINAL IN, outside_diameter: 0.203 INCHES NOMINAL IN, special_features: BLACK IN COLOR; MAGNETIC PROPERTIES: MAGNETIC; RHOS COMPLIANT, surface_treatment: PHOSPHATE. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-674-4528, 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
9731A250
NSN: 5325-01-674-4528
FSC: 5325 — Fastening Devices
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL
ring_styleE
inside_diameter0.100 INCHES NOMINAL IN
major_thickness0.015 INCHES NOMINAL IN
outside_diameter0.203 INCHES NOMINAL IN
special_featuresBLACK IN COLOR; MAGNETIC PROPERTIES: MAGNETIC; RHOS COMPLIANT
surface_treatmentPHOSPHATE
material_hardness_rating47.0 ROCKWELL C NOMINAL
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencySIDE MOUNT EXTERNAL RETAINING RING
NSN5325-01-674-4528
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9731A250 · 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 NOMINAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.203 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.015 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.100 INCHES NOMINAL IN
•
RING STYLE: E
•
SURFACE TREATMENT: PHOSPHATE
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING47.0 ROCKWELL C NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.203 INCHES NOMINAL IN
MAJOR THICKNESS0.015 INCHES NOMINAL IN
INSIDE DIAMETER0.100 INCHES NOMINAL IN
RING STYLEE
SPECIAL FEATURESBLACK IN COLOR; MAGNETIC PROPERTIES: MAGNETIC; RHOS COMPLIANT
SURFACE TREATMENTPHOSPHATE
PART NAME ASSIGNED BY CONTROLLING AGENCYSIDE MOUNT EXTERNAL RETAINING RING
MATERIALSTEEL
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 2
INFRA-210012Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
97431A250Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 9731A250?
9731A250 is a RING,RETAINING.
What parts can replace 9731A250?
There are 2 known substitutes for 9731A250: INFRA-210012, 97431A250. Substitute compatibility should be verified for your specific system.
What is the NSN for 9731A250?
9731A250 is cataloged in the U.S. Government catalog under NSN 5325-01-674-4528. This indicates validated use in U.S. government and defense supply chains.
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