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6-4 140140B — SEAL ASSEMBLY,SHAFT,SPRING LOADE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6-4 140140B: SEAL ASSEMBLY,SHAFT,SPRING LOADE.

SEAL ASSEMBLY,SHAFT,SPRING LOADE. Key specifications include material: COPPER, style_designator: DOUBLE TAPPED, external_thread_size: 18, internal_thread_size: 0.275, end_item_identification: 2355-01-648-7834, material_document_and_classification: J846 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-202-6491, 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
6-4 140140B
NSN: 4730-00-202-6491
NIINs: 002026491, 016865609
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialCOPPER
style_designatorDOUBLE TAPPED
external_thread_size18
internal_thread_size0.275
end_item_identification2355-01-648-7834
material_document_and_classificationJ846 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyREDUCER BUSHINGS
NSN4730-00-202-6491
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6-4 140140B · OEM ⚠ 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 8
1619280Reference document
Same NSN cross-reference
Reference document — Secondary reference
J514Reference document
Same NSN cross-reference
Reference document — Secondary reference
N000287Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
119928Reference document
Same NSN cross-reference
Reference document — Secondary reference
58387-0604Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
3/8X1/4 PTR-BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6-4 140140B?
6-4 140140B is a SEAL ASSEMBLY,SHAFT,SPRING LOADE.
What parts can replace 6-4 140140B?
There are 8 known substitutes for 6-4 140140B: 1619280, J514, N000287 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6-4 140140B?
6-4 140140B is cataloged in the U.S. Government catalog under NSN 4730-00-202-6491. This indicates validated use in U.S. government and defense supply chains.
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