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901587 — SUPPLY,FITTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

901587: SUPPLY,FITTING.

The SUPPLY,FITTING is a the manufacturer industrial component. Key specifications include end_item_identification: ONBOARD 420 FT (WMSL-750) DEEP WATER NATIONAL SECURITY CUTTER FT. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-159-3270, 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
901587
NSN: 5330-00-159-3270
NIINs: 001593270, 007756035, 015616369
FSC: 5330 — Packing and Gasket Materials
CAGE: 76602 — MUSKEGON PISTON RING CO MUSKEGON PRODUCTS DIV (USA)
SPECIFICATIONS
end_item_identificationONBOARD 420 FT (WMSL-750) DEEP WATER NATIONAL SECURITY CUTTER FT
NSN5330-00-159-3270
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 901587 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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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
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MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7310 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
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OUTSIDE DIAMETER: 4.133 INCHES NOMINAL IN
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JOINT STYLE: INTERLOCKING JOINT
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RADIAL WALL THICKNESS: 0.1100 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN
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RING STYLE: EXPANDING CONCENTRIC
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL WIDTH0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7310 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
OUTSIDE DIAMETER4.133 INCHES NOMINAL IN
JOINT STYLEINTERLOCKING JOINT
RADIAL WALL THICKNESS0.1100 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN
RING STYLEEXPANDING CONCENTRIC
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALIRON OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
2587600-2Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 901587?
901587 is a SUPPLY,FITTING.
What parts can replace 901587?
There is 1 known substitute for 901587: 2587600-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 901587?
901587 is cataloged in the U.S. Government catalog under NSN 5330-00-159-3270. 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.