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1001879 — DISK,CLUTCH,NONVEHICULAR

✓ Government record, cited
3M · HOSE FITTING
PRODUCT OVERVIEW

1001879: DISK,CLUTCH,NONVEHICULAR.

The DISK,CLUTCH,NONVEHICULAR is a 3M industrial component. Key specifications include disk_type: EXTERNAL TEETH, design_type: WET, flexibility: RIGID, construction: SOLID, disk_material: STEEL, outside_diameter: 6.123 INCHES MINIMUM AND 6.133 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-256-1513, 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
1001879
NSN: 4730-00-256-1513
NIINs: 002561513, 014444617, 015411517
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 00365 — TLD ACE CORP DIV TLD ACE (USA)
SPECIFICATIONS
disk_typeEXTERNAL TEETH
design_typeWET
flexibilityRIGID
constructionSOLID
disk_materialSTEEL
outside_diameter6.123 INCHES MINIMUM AND 6.133 INCHES MAXIMUM IN
end_item_identificationTWIN DISC INC. MARINE TRANSMISSION, MODEL MG5091
NSN4730-00-256-1513
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1001879 · 3M ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 2
P30LReference document
Same NSN cross-reference
Reference document — Secondary reference
S2OD-1-3/8Reference document
Same NSN cross-reference
Reference document — Secondary 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 1001879?
1001879 is a DISK,CLUTCH,NONVEHICULAR manufactured by 3M.
What parts can replace 1001879?
There are 2 known substitutes for 1001879: P30L, S2OD-1-3/8. Substitute compatibility should be verified for your specific system.
What is the NSN for 1001879?
1001879 is cataloged in the U.S. Government catalog under NSN 4730-00-256-1513. 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.