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4E32171 — ELBOW,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4E32171: ELBOW,TUBE.

The ELBOW,TUBE is a the manufacturer industrial component. Key specifications include leg_length: 1.500 INCHES NOMINAL ALL ENDS IN, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARELESS (TUBE) ALL ENDS, nominal_outside_diameter_tube_accommodated: 0.625 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-277-6461, 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
4E32171
NSN: 4730-01-277-6461
NIINs: 012776461, 013520707
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
leg_length1.500 INCHES NOMINAL ALL ENDS IN
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARELESS (TUBE) ALL ENDS
nominal_outside_diameter_tube_accommodated0.625 INCHES ALL ENDS IN
NSN4730-01-277-6461
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4E32171 · 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
•
TEMP RATING: 1200.0 FAHRENHEIT DEGF
•
FASTENING DEVICE TYPE: SELF-LOCKING HEXAGON NUT
•
STYLE DESIGNATOR: BAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-18732 MIL STD SINGLE MATERIAL RESPONSE OVERALL
•
INSIDE DIAMETER: 4.000 INCHES NOMINAL IN
•
SURFACE TREATMENT: SILVER NUT
•
MATERIAL: STEEL COMP 431 OVERALL
TECHNICAL CHARACTERISTICS
TEMP RATING1200.0 FAHRENHEIT DEGF
FASTENING DEVICE TYPESELF-LOCKING HEXAGON NUT
STYLE DESIGNATORBAND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.625 INCHES NOMINAL IN
INSIDE DIAMETER4.000 INCHES NOMINAL IN
SURFACE TREATMENTSILVER NUT
MATERIALSTEEL COMP 431 OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
360C62-0400MSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
360C62-400MReference document
Same NSN cross-reference
Reference document — Secondary reference
TR30E62-0400ZSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4E32171?
4E32171 is a ELBOW,TUBE.
What parts can replace 4E32171?
There are 3 known substitutes for 4E32171: 360C62-0400M, 360C62-400M, TR30E62-0400Z. Substitute compatibility should be verified for your specific system.
What is the NSN for 4E32171?
4E32171 is cataloged in the U.S. Government catalog under NSN 4730-01-277-6461. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.