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731705PC4 — SPACER,RING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

731705PC4: SPACER,RING.

The SPACER,RING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8645, surface_finish: 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER, inside_diameter: 3.750 INCHES NOMINAL IN, outside_diameter: 4.312 INCHES NOMINAL IN, features_provided: CASEHARDENED, overall_thickness: 0.281 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-565-4392, 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
731705PC4
NSN: 5365-00-565-4392
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 8645
surface_finish125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
inside_diameter3.750 INCHES NOMINAL IN
outside_diameter4.312 INCHES NOMINAL IN
features_providedCASEHARDENED
overall_thickness0.281 INCHES NOMINAL IN
surface_treatmentPHOSPHATE
fsc_application_data1. LAUNCHING
material_document_and_classificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI/SAE ASSN STD SINGLE MATERIAL RESPONSE
NSN5365-00-565-4392
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN 731705PC4 MFR SPACER,RING
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
•
FSC APPLICATION DATA: 1. LAUNCHING
•
OUTSIDE DIAMETER: 4.312 INCHES NOMINAL IN
•
OVERALL THICKNESS: 0.281 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI/SAE ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
SURFACE FINISH32.0 MICROINCHES RIGHT SIDE
SURFACE FINISH32.0 MICROINCHES LEFT SIDE
SURFACE FINISH125.0 MICROINCHES BORE
FSC APPLICATION DATA1. LAUNCHING
OUTSIDE DIAMETER4.312 INCHES NOMINAL IN
OVERALL THICKNESS0.281 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI/SAE ASSN STD SINGLE MATERIAL RESPONSE
FEATURES PROVIDEDCASEHARDENED
INSIDE DIAMETER3.750 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078 5365-00-000-7436 5365-00-001-1292 5365-00-001-1365 5365-00-001-1841 5365-00-001-1915 5365-00-001-1916 5365-00-001-1940
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 731705PC4?
731705PC4 is a SPACER,RING.
What is the NSN for 731705PC4?
731705PC4 is cataloged in the U.S. Government catalog under NSN 5365-00-565-4392. 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.