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PartsTable / COMPONENT / 20634-16-16NAL1
20634-16-16NAL1 ✓ 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,HOSE is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-050-6489, 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
20634-16-16NAL1
NSN: 4730-00-050-6489
FSC: 4730
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NSN4730-00-050-6489
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 20634-16-16NAL1 · 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
KEY FEATURES
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
•
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
EF-1602A-1616Interchangeable
interchangeable cross-reference
interchangeable
M24787/2, TY-A, GR-II,-16-16Interchangeable
interchangeable cross-reference
interchangeable
CMC-4-5503-16-16Interchangeable
interchangeable cross-reference
interchangeable
20634-16-16ML1Interchangeable
Same NIIN cross-reference
interchangeable
4-4730-16Interchangeable
Same NIIN cross-reference
interchangeable
4-4730-16L1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20634-16-16NAL1?
20634-16-16NAL1 is a FITTING,HOSE.
What parts can replace 20634-16-16NAL1?
There are 10 known substitutes for 20634-16-16NAL1: EF-1602A-1616, M24787/2, TY-A, GR-II,-16-16, CMC-4-5503-16-16 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20634-16-16NAL1?
20634-16-16NAL1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-050-6489. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026