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SF10780-008 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SF10780-008: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: SPECIAL FLAT, usage_design: INTERNAL, inside_diameter: 3.876 INCHES MINIMUM AND 3.911 INCHES MAXIMUM IN, major_thickness: 0.107 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, outside_diameter: 4.500 INCHES MINIMUM AND 4.535 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-958-1075, 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
SF10780-008
NSN: 5325-00-958-1075
FSC: 5325 — Fastening Devices
CAGE: 59180 — CIRCOR PUMPS NORTH AMERICA LLC (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPECIAL FLAT
usage_designINTERNAL
inside_diameter3.876 INCHES MINIMUM AND 3.911 INCHES MAXIMUM IN
major_thickness0.107 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
outside_diameter4.500 INCHES MINIMUM AND 4.535 INCHES MAXIMUM IN
casehardening_indicatorCASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationJAN-S-1160 GRADE 1,TYPE A MIL SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-958-1075
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SF10780-008 · 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: INTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: JAN-S-1160 GRADE 1,TYPE A MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 4.500 INCHES MINIMUM AND 4.535 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.107 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 3.876 INCHES MINIMUM AND 3.911 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: CASEHARDENED
•
RING STYLE: SPECIAL FLAT
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONJAN-S-1160 GRADE 1,TYPE A MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER4.500 INCHES MINIMUM AND 4.535 INCHES MAXIMUM IN
MAJOR THICKNESS0.107 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
INSIDE DIAMETER3.876 INCHES MINIMUM AND 3.911 INCHES MAXIMUM IN
CASEHARDENING INDICATORCASEHARDENED
RING STYLESPECIAL FLAT
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 1
PP028Z9468Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 SF10780-008?
SF10780-008 is a RING,RETAINING.
What parts can replace SF10780-008?
There is 1 known substitute for SF10780-008: PP028Z9468. Substitute compatibility should be verified for your specific system.
What is the NSN for SF10780-008?
SF10780-008 is cataloged in the U.S. Government catalog under NSN 5325-00-958-1075. 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.