PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 16 2-1/2
16 2-1/2 ✓ 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 16 2-1/2 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-235-4080, 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
16 2-1/2
NSN: 4730-00-235-4080
FSC: 4730
CAGE: 34646 — ATI LADISH LLC DBA ATI WAH CHANG DIV ATI FORGED PRODUCTS - CUDAHY (USA)
SPECIFICATIONS
Part Number16 2-1/2
NSN4730-00-235-4080
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 16 2-1/2 · 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
•
FLANGE DIAMETER: 7.000 INCHES NOMINAL IN
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 500.0 FAHRENHEIT STEAM DEGF
•
OPERATING PRESSURE AND TYPE: 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
MATERIAL: STEEL
•
NONDEFINITIVE SPEC/STD DATA: C STYLE AND 1C TYPE
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
SPECIFICATION/STANDARD DATA: 81349-MIL-F-18180 GOVERNMENT SPECIFICATION
•
FLANGE SECTION STYLE: RAISED FACE, RAISED NECK
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE DIAMETER7.000 INCHES NOMINAL IN
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED500.0 FAHRENHEIT STEAM DEGF
OPERATING PRESSURE AND TYPE150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
MATERIALSTEEL
NONDEFINITIVE SPEC/STD DATAC STYLE AND 1C TYPE
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
SPECIFICATION/STANDARD DATA81349-MIL-F-18180 GOVERNMENT SPECIFICATION
FLANGE SECTION STYLERAISED FACE, RAISED NECK
BOLT HOLE DIAMETER0.750 INCHES NOMINAL IN
NECK HEIGHT0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
16-11-2Interchangeable
interchangeable cross-reference
interchangeable
2500-6-174Interchangeable
interchangeable cross-reference
interchangeable
50221Interchangeable
interchangeable cross-reference
interchangeable
16212Interchangeable
interchangeable cross-reference
interchangeable
N2131PC27Interchangeable
interchangeable cross-reference
interchangeable
13E1F103JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 16 2-1/2?
16 2-1/2 is a 16 2-1/2.
What parts can replace 16 2-1/2?
There are 19 known substitutes for 16 2-1/2: 16-11-2, 2500-6-174, 50221 and 16 more. Substitute compatibility should be verified for your specific system.
Is 16 2-1/2 still available?
16 2-1/2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026