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155641 — 155641

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

155641: 155641.

The 155641 is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY AND CONTACT, thread_class: 2A A, overall_width: 3.250 INCHES NOMINAL IN, overall_height: 1.750 INCHES NOMINAL IN, overall_length: 11.063 INCHES NOMINAL IN, mounting_method: THREADED STUD(S). This part is cataloged in the U.S.

Government catalog under NSN 5330-00-587-0144, 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→ 155641
NSN: 5330-00-587-0144
NIINs: 005870144, 010168730, 013918197
FSC: 5330 — Packing and Gasket Materials
CAGE: 15275 — HEXCO INTERNATIONAL DBA ACD (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY AND CONTACT
thread_class2A A
overall_width3.250 INCHES NOMINAL IN
overall_height1.750 INCHES NOMINAL IN
overall_length11.063 INCHES NOMINAL IN
mounting_methodTHREADED STUD(S)
style_designatorRECTANGULAR SHAPE
thread_directionRIGHT-HAND
precious_materialSILVER
surface_treatmentSILVER BODY AND CONTACT
nominal_thread_size0.063 INCHES IN
thread_quantity_per_inch32
NSN5330-00-587-0144
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 155641 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
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CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
SUBSTITUTES & CROSS-REFERENCES 1
15564-1CPReference document
Same NSN cross-reference
Reference document — Secondary reference
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 155641?
155641 is a 155641. It is classified as a MRO (MRO_GENERAL).
What parts can replace 155641?
There is 1 known substitute for 155641: 15564-1CP. Substitute compatibility should be verified for your specific system.
What is the NSN for 155641?
155641 is cataloged in the U.S. Government catalog under NSN 5330-00-587-0144. 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.