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401A2-316 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

401A2-316: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, connection_style: PLAIN (PIPE) SECOND END, nominal_thread_size: 0.125 INCHES SECOND END IN, nominal_overall_length: 1.812 INCHES IN, thread_series_designator: NPT SECOND END, material_document_and_classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-137-1862, 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
401A2-316
NSN: 4730-00-137-1862
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 3T9T9 — SWAGELOK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
connection_stylePLAIN (PIPE) SECOND END
nominal_thread_size0.125 INCHES SECOND END IN
nominal_overall_length1.812 INCHES IN
thread_series_designatorNPT SECOND END
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated0.250 INCHES FIRST END IN
NSN4730-00-137-1862
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 401A2-316 · 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
•
CONNECTION STYLE: GROOVED (TUBE) FIRST END
•
NOMINAL OVERALL LENGTH: 1.812 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.125 INCHES SECOND END IN
•
MATERIAL: STEEL COMP 316 OVERALL
•
THREAD SERIES DESIGNATOR: NPT SECOND END
TECHNICAL CHARACTERISTICS
CONNECTION STYLEGROOVED (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL OVERALL LENGTH1.812 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
MATERIALSTEEL COMP 316 OVERALL
THREAD SERIES DESIGNATORNPT SECOND END
SUBSTITUTES & CROSS-REFERENCES 6
SS401A2-316SSSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SS-4-TA-1-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
10122721-101Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
401A2-316SSReference document
Same NSN cross-reference
Reference document — Secondary reference
SS401A2-316Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
4-2T2HFSSSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 401A2-316?
401A2-316 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 401A2-316?
There are 6 known substitutes for 401A2-316: SS401A2-316SS, SS-4-TA-1-2, 10122721-101 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 401A2-316?
401A2-316 is cataloged in the U.S. Government catalog under NSN 4730-00-137-1862. This indicates validated use in U.S. government and defense supply chains.
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