PartsTable
Technical Data Sheet
PartsTable / MRO / 1825-1
1825-1 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 BLOCK,CONTROL CIRCUIT is a the manufacturer industrial component. Key specifications include height: 1.312 INCHES NOMINAL IN, material: COPPER ALLOY FINGER, body_style: STRAIGHT HANDLE, ring_style: STRAIGHT GAP, body_length: 0.990 INCHES NOMINAL IN, finger_type: BANANA SPRING SINGLE FINGER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-243-1484, 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
MRO→ MRO_GENERAL→ 1825-1
NSN: 4730-00-243-1484
FSC: 4730
CAGE: 95879 — STEWART-WARNER ALEMITE CORP (USA)
SPECIFICATIONS
height1.312 INCHES NOMINAL IN
materialCOPPER ALLOY FINGER
body_styleSTRAIGHT HANDLE
ring_styleSTRAIGHT GAP
body_length0.990 INCHES NOMINAL IN
finger_typeBANANA SPRING SINGLE FINGER
shank_length0.562 INCHES NOMINAL IN
finger_length0.560 INCHES NOMINAL ALL FINGERS IN
hole_diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
terminal_typeINTERNAL SETSCREW
overall_length1.550 INCHES NOMINAL IN
finger_diameter0.166 INCHES NOMINAL ALL FINGERS IN
NSN4730-00-243-1484
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1825-1 · 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
•
WIDTH ACROSS FLATS: 0.875 INCHES NOMINAL IN
•
HEIGHT: 1.312 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 18
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
SCREW THREAD SERIES DESIGNATOR: NPT
•
SURFACE TREATMENT: ZINC OVERALL
•
STYLE DESIGNATOR: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.875 INCHES NOMINAL IN
HEIGHT1.312 INCHES NOMINAL IN
THREAD QUANTITY PER INCH18
NOMINAL THREAD SIZE0.375 INCHES IN
SCREW THREAD SERIES DESIGNATORNPT
SPECIAL FEATURES7/16 IN. LG THD IN
SURFACE TREATMENTZINC OVERALL
STYLE DESIGNATORSTRAIGHT
MATERIALSTEEL OVERALL
SHANK LENGTH0.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
100852Interchangeable
interchangeable cross-reference
interchangeable
8276-1Interchangeable
interchangeable cross-reference
interchangeable
A92380 -14Interchangeable
interchangeable cross-reference
interchangeable
4222Interchangeable
interchangeable cross-reference
interchangeable
6222CE1TX9Interchangeable
interchangeable cross-reference
interchangeable
57-55Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1825-1?
1825-1 is a BLOCK,CONTROL CIRCUIT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1825-1?
There are 31 known substitutes for 1825-1: 100852, 8276-1, A92380 -14 and 28 more. Substitute compatibility should be verified for your specific system.
Is 1825-1 still available?
1825-1 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: July 2026