21-1710 — CAPACITOR

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

21-1710: CAPACITOR.

The CAPACITOR is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include diameter: 0.4980 INCHES MINIMUM AND 0.4985 INCHES MAXIMUM IN, material: STEEL COMP 440C OVERALL, overall_length: 2.465 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN, surface_finish: 40.0 MICROINCHES SHANK END, undercut_width: 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN, first_end_style: CHAMFERED. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-663-1750, 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

MRO→ MRO_GENERAL→ 21-1710

NSN: 5315-00-663-1750
NIINs: 006631750, 012438157
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 81982 — HYDRO-AIRE AEROSPACE CORP (USA)

SPECIFICATIONS

diameter	0.4980 INCHES MINIMUM AND 0.4985 INCHES MAXIMUM IN
material	STEEL COMP 440C OVERALL
overall_length	2.465 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN
surface_finish	40.0 MICROINCHES SHANK END
undercut_width	0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
first_end_style	CHAMFERED
hardness_rating	57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
effective_length	2.260 INCHES MINIMUM AND 2.270 INCHES MAXIMUM IN
style_designator	GROOVE
surface_treatment	PASSIVATE OVERALL
undercut_diameter	0.0460 INCHES MINIMUM AND 0.0465 INCHES MAXIMUM IN
first_end_location	BOTH ENDS
NSN	5315-00-663-1750

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 40.0 MICROINCHES SHANK END

•

UNDERCUT WIDTH: 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN

•

FIRST END TAPER LENGTH: 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN

•

UNDERCUT DIAMETER: 0.0460 INCHES MINIMUM AND 0.0465 INCHES MAXIMUM IN

•

FIRST END LOCATION: BOTH ENDS

•

FIRST END STYLE: CHAMFERED

•

HARDNESS RATING: 57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL

•

STYLE DESIGNATOR: GROOVE

TYPICAL APPLICATIONS

RAID cache protection during power loss events
Write-back cache enablement for storage controllers
Enterprise server data integrity assurance
Hot-swap battery/capacitor replacement in production

TECHNICAL CHARACTERISTICS

SURFACE FINISH	40.0 MICROINCHES SHANK END
UNDERCUT WIDTH	0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
FIRST END TAPER LENGTH	0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
UNDERCUT DIAMETER	0.0460 INCHES MINIMUM AND 0.0465 INCHES MAXIMUM IN
FIRST END LOCATION	BOTH ENDS
FIRST END STYLE	CHAMFERED
HARDNESS RATING	57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	GROOVE
DIAMETER	0.4980 INCHES MINIMUM AND 0.4985 INCHES MAXIMUM IN
OVERALL LENGTH	2.465 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN

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 21-1710?

21-1710 is a CAPACITOR. It is classified as a MRO (MRO_GENERAL).

What is the NSN for 21-1710?

21-1710 is cataloged in the U.S. Government catalog under NSN 5315-00-663-1750. This indicates validated use in U.S. government and defense supply chains.

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21-1710 — CAPACITOR

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