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4002861 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4002861: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718, end_style: 90 DEGREE PARALLEL, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 0.730 INCHES MINIMUM AND 0.732 INCHES MAXIMUM IN, major_thickness: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-377-4762, 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
4002861
NSN: 5325-00-377-4762
FSC: 5325 — Fastening Devices
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718
end_style90 DEGREE PARALLEL
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter0.730 INCHES MINIMUM AND 0.732 INCHES MAXIMUM IN
major_thickness0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
outside_diameter0.896 INCHES MINIMUM AND 0.902 INCHES MAXIMUM IN
special_featuresCRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN SUBSTANTIAL DAMAGE TO THE WEAPON SYSTEM OR DEATH OR
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
criticality_code_justificationFEAT
material_document_and_classificationAMS 5663 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-377-4762
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4002861 · 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: 90 DEGREE PARALLEL
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.896 INCHES MINIMUM AND 0.902 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.730 INCHES MINIMUM AND 0.732 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
END STYLE90 DEGREE PARALLEL
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5663 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.896 INCHES MINIMUM AND 0.902 INCHES MAXIMUM IN
MAJOR THICKNESS0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
INSIDE DIAMETER0.730 INCHES MINIMUM AND 0.732 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4002861?
4002861 is a RING,RETAINING.
What is the NSN for 4002861?
4002861 is cataloged in the U.S. Government catalog under NSN 5325-00-377-4762. 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.