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Technical Data Sheet
PartsTable / COMPONENT / 40200 ITEM 121
40200 ITEM 121 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The FITTING,LUBRICATION is a the manufacturer industrial component. Key specifications include end_item_identification: 2310015953986, part_name_assigned_by_controlling_agency: BOLT M8X1.25X57. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-633-6133, 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
40200 ITEM 121
NSN: 4730-01-633-6133
FSC: 4730
CAGE: 1KHV0 — EXLAR CORPORATION (USA)
SPECIFICATIONS
end_item_identification2310015953986
part_name_assigned_by_controlling_agencyBOLT M8X1.25X57
NSN4730-01-633-6133
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 40200 ITEM 121 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
44039Interchangeable
interchangeable cross-reference
interchangeable
13221E8379-5Interchangeable
interchangeable cross-reference
interchangeable
13221E8379Interchangeable
interchangeable cross-reference
interchangeable
5717144Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40200 ITEM 121?
40200 ITEM 121 is a FITTING,LUBRICATION.
What parts can replace 40200 ITEM 121?
There are 4 known substitutes for 40200 ITEM 121: 44039, 13221E8379-5, 13221E8379 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40200 ITEM 121?
40200 ITEM 121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-633-6133. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026