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MIL-DTL-52525/16 — Technical Data Sheet

✓ 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 FLANGE,PIPE,SWIVEL RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL OR IRON, thickness: 0.560 INCHES NOMINAL IN, flange_width: 2.040 INCHES NOMINAL IN, socket_depth: 0.245 INCHES NOMINAL IN, flange_length: 2.560 INCHES NOMINAL IN, recess_diameter: 1.531 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-089-3406, 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
MIL-DTL-52525/16
NSN: 4730-00-089-3406
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OR IRON
thickness0.560 INCHES NOMINAL IN
flange_width2.040 INCHES NOMINAL IN
socket_depth0.245 INCHES NOMINAL IN
flange_length2.560 INCHES NOMINAL IN
recess_diameter1.531 INCHES NOMINAL IN
special_featuresSPLIT-FLANGE TYPE
style_designatorRECTANGULAR, WITH BOLT HOLES
surface_treatmentZINC
bolt_hole_diameter0.406 INCHES NOMINAL IN
bolt_hole_quantity4
flange_section_stylePLAIN FACE, SOCKET NECK
NSN4730-00-089-3406
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MIL-DTL-52525/16 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
51H-32Interchangeable
interchangeable cross-reference
interchangeable
4730001165229Interchangeable
interchangeable cross-reference
interchangeable
M52525/16-32Interchangeable
interchangeable cross-reference
interchangeable
903158C1Interchangeable
interchangeable cross-reference
interchangeable
A2399-20ZKInterchangeable
interchangeable cross-reference
interchangeable
LT1-1266Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-52525/16?
MIL-DTL-52525/16 is a FLANGE,PIPE,SWIVEL RETAINING.
What parts can replace MIL-DTL-52525/16?
There are 28 known substitutes for MIL-DTL-52525/16: 51H-32, 4730001165229, M52525/16-32 and 25 more. Substitute compatibility should be verified for your specific system.
Is MIL-DTL-52525/16 still available?
MIL-DTL-52525/16 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: September 2026