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Technical Data Sheet
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V251 ✓ 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 TIP,ELECTRIC SOLDERING IRON is a the manufacturer industrial component. Key specifications include width: 0.468 INCHES NOMINAL IN, length: 1.187 INCHES NOMINAL IN, material: COPPER, tip_type: STRAIGHT, tip_width: 0.125 INCHES NOMINAL IN, body_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-497-6442, 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
V251
NSN: 4730-00-497-6442
FSC: 4730
CAGE: 25735 — H-P PRODUCTS INC (USA)
SPECIFICATIONS
width0.468 INCHES NOMINAL IN
length1.187 INCHES NOMINAL IN
materialCOPPER
tip_typeSTRAIGHT
tip_width0.125 INCHES NOMINAL IN
body_styleROUND
flow_angle45.0 DEGREES
leg_length4.500 INCHES NOMINAL ALL ENDS IN
skirt_styleFLARED
skirt_designNONDETACHABLE
tip_end_styleCHISEL
overall_length2.250 INCHES NOMINAL IN
NSN4730-00-497-6442
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: V251 · 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
•
SURFACE TREATMENT: ZINC OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 2.500 INCHES ALL ENDS IN
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY MATERIAL
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
•
FLOW ANGLE: 45.0 DEGREES
•
CONNECTION STYLE: SOCKET (TUBE) ALL ENDS
•
LEG LENGTH: 4.500 INCHES NOMINAL ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTZINC OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED2.500 INCHES ALL ENDS IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MATERIAL
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
FLOW ANGLE45.0 DEGREES
CONNECTION STYLESOCKET (TUBE) ALL ENDS
LEG LENGTH4.500 INCHES NOMINAL ALL ENDS IN
MATERIALSTEEL OVERALL
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.065 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
251Interchangeable
interchangeable cross-reference
interchangeable
1212-0125Interchangeable
interchangeable cross-reference
interchangeable
1121-0130Interchangeable
interchangeable cross-reference
interchangeable
V25-1Interchangeable
interchangeable cross-reference
interchangeable
996939-002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is V251?
V251 is a TIP,ELECTRIC SOLDERING IRON.
What parts can replace V251?
There are 5 known substitutes for V251: 251, 1212-0125, 1121-0130 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for V251?
V251 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-497-6442. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026