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BLK15 — HOLDER,KEY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BLK15: HOLDER,KEY.

The HOLDER,KEY is a the manufacturer industrial component. Key specifications include diameter: 0.609 INCHES NOMINAL IN, material: STEEL OVERALL, style_designator: RING, surface_treatment: NICKEL OR COPPER ALLOY OVERALL, end_item_identification: 1090-25-160-1292 ARMAMENT SUBSYSTEM, REMOTELY OPERATED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-579-7752, 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
BLK15
NSN: 5340-01-579-7752
FSC: 5340 — Hardware, Commercial
CAGE: 14278 — BALL CHAIN MANUFACTURING, CO., INC. DBA BALL CHAIN MANUFACTURING (USA)
SPECIFICATIONS
diameter0.609 INCHES NOMINAL IN
materialSTEEL OVERALL
special_featuresINSIDE DIA OF RING 0.500 NOMINAL INCH AND THICKNESS 0.094 NOMINAL INCH; PART NAME ASSIGNED BY CONTROLLING AGENCY: SPLIT KEY RING
style_designatorRING
surface_treatmentNICKEL OR COPPER ALLOY OVERALL
end_item_identification1090-25-160-1292 ARMAMENT SUBSYSTEM, REMOTELY OPERATED
NSN5340-01-579-7752
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BLK15 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: RING
•
DIAMETER: 0.609 INCHES NOMINAL IN
•
SURFACE TREATMENT: NICKEL OR COPPER ALLOY OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRING
DIAMETER0.609 INCHES NOMINAL IN
SPECIAL FEATURESINSIDE DIA OF RING 0.500 NOMINAL INCH AND THICKNESS 0.094 NOMINAL INCH; PART NAME ASSIGNED BY CONTROLLING AGENCY: SPLIT KEY RING
SURFACE TREATMENTNICKEL OR COPPER ALLOY OVERALL
END ITEM IDENTIFICATION1090-25-160-1292 ARMAMENT SUBSYSTEM, REMOTELY OPERATED
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 BLK15?
BLK15 is a HOLDER,KEY.
What is the NSN for BLK15?
BLK15 is cataloged in the U.S. Government catalog under NSN 5340-01-579-7752. 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.