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11931-1 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

11931-1: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a Hama industrial component. Key specifications include material: ALUMINUM ALLOY, overall_length: 0.687 INCHES NOMINAL IN, overall_diameter: 4.562 INCHES NOMINAL IN, surface_treatment: CHROMATE, fsc_application_data: MOTORS,ALTERNATING CURRENT, mounting_configuration: EIGHT 0.134 IN. DIA MTG HOLES SPACED 45 DEG APART ON 4.315 IN.

DIA CIRCLE IN. This part is cataloged in the U.S. Government catalog under NSN 5330-00-241-6851, 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
11931-1
NSN: 5330-00-241-6851
NIINs: 002416851, 003189495, 004615960, 011672373
FSC: 5330 — Packing and Gasket Materials
CAGE: 16309 — PHD, INC. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
overall_length0.687 INCHES NOMINAL IN
overall_diameter4.562 INCHES NOMINAL IN
surface_treatmentCHROMATE
fsc_application_dataMOTORS,ALTERNATING CURRENT
mounting_configurationEIGHT 0.134 IN. DIA MTG HOLES SPACED 45 DEG APART ON 4.315 IN. DIA CIRCLE IN
NSN5330-00-241-6851
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11931-1 MFR: Hama ⚠ 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11931-1?
11931-1 is a MICROCIRCUIT,DIGITAL manufactured by Hama.
What is the NSN for 11931-1?
11931-1 is cataloged in the U.S. Government catalog under NSN 5330-00-241-6851. 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.