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Technical Data Sheet
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MS51532B4M — CAP,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MS51532B4M: CAP,TUBE.

The CAP,TUBE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4730-01-642-7179, 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
MS51532B4M
NSN: 4730-01-642-7179
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMS51532B4M
NSN4730-01-642-7179
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS51532B4M · 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
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 5
4FTNX-MReference document
Same NSN cross-reference
Reference document — Secondary reference
MS51532B4MD4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
516-5486433 ITEM F51D4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
516-5486433 ITEM F51Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
4FTNX-MD4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS51532B4M?
MS51532B4M is a CAP,TUBE.
What parts can replace MS51532B4M?
There are 5 known substitutes for MS51532B4M: 4FTNX-M, MS51532B4MD4, 516-5486433 ITEM F51D4 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS51532B4M?
MS51532B4M is cataloged in the U.S. Government catalog under NSN 4730-01-642-7179. This indicates validated use in U.S. government and defense supply chains.
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