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810-2145528 PIE — NUT,UNION

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

810-2145528 PIE: NUT,UNION.

The NUT,UNION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, nut_style: HEXAGON, nut_height: 0.438 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-175-6520, 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
810-2145528 PIE
NSN: 4730-01-175-6520
NIINs: 011756520, 013148807
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
nut_styleHEXAGON
nut_height0.438 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats0.688 INCHES NOMINAL IN
nominal_thread_size0.563 INCHES IN
hole_configuration_styleCONFIGURATION C
thread_quantity_per_inch18
material_document_and_classificationQQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OVERALL
NSN4730-01-175-6520
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 810-2145528 PIE · 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
•
TUBING OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 715
TECHNICAL CHARACTERISTICS
TUBING OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 715
SUBSTITUTES & CROSS-REFERENCES 2
516-5486653 F61Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2145528,PC 2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 810-2145528 PIE?
810-2145528 PIE is a NUT,UNION.
What parts can replace 810-2145528 PIE?
There are 2 known substitutes for 810-2145528 PIE: 516-5486653 F61, 2145528,PC 2. Substitute compatibility should be verified for your specific system.
What is the NSN for 810-2145528 PIE?
810-2145528 PIE is cataloged in the U.S. Government catalog under NSN 4730-01-175-6520. 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.