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431MR2T — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

431MR2T: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, end_style: DIAGONAL PARALLEL, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 5.349 INCHES NOMINAL IN, major_thickness: 0.070 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-488-4156, 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
431MR2T
NSN: 5325-00-488-4156
FSC: 5325 — Fastening Devices
CAGE: 5F573 — GREENE TWEED & CO INC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
end_styleDIAGONAL PARALLEL
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter5.349 INCHES NOMINAL IN
major_thickness0.070 INCHES NOMINAL IN
outside_diameter5.724 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-488-4156
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 431MR2T · 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: EXTERNAL
•
END STYLE: DIAGONAL PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 5.724 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.070 INCHES NOMINAL IN
•
INSIDE DIAMETER: 5.349 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
END STYLEDIAGONAL PARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER5.724 INCHES NOMINAL IN
MAJOR THICKNESS0.070 INCHES NOMINAL IN
INSIDE DIAMETER5.349 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
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

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 431MR2T?
431MR2T is a RING,RETAINING.
What is the NSN for 431MR2T?
431MR2T is cataloged in the U.S. Government catalog under NSN 5325-00-488-4156. 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.