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Technical Data Sheet
PartsTable / COMPONENT / 631+1GALV
631+1GALV ✓ 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 631+1GALV is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-257-2121, 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
631+1GALV
NSN: 4730-00-257-2121
FSC: 4730
CAGE: 82666 — STOCKHAM VALVES AND FITTINGS INC (USA)
SPECIFICATIONS
Part Number631+1GALV
NSN4730-00-257-2121
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 631+1GALV · 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
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
•
NOMINAL THREAD SIZE: 1.000 INCHES ALL ENDS IN
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
MAXIMUM OPERATING TEMP: 65.6 CELSIUS SECOND RESPONSE DEGC
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
MATERIAL: IRON OVERALL
•
MEDIA FOR WHICH DESIGNED: STEAM FIRST RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
SPECIAL FEATURESALL THREAD DIRECTIONS R-H
NOMINAL THREAD SIZE1.000 INCHES ALL ENDS IN
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
MAXIMUM OPERATING TEMP65.6 CELSIUS SECOND RESPONSE DEGC
THREAD SERIES DESIGNATORNPT ALL ENDS
MATERIALIRON OVERALL
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
NONDEFINITIVE SPEC/STD DATA2 TYPE
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
3205180Interchangeable
interchangeable cross-reference
interchangeable
15157PInterchangeable
interchangeable cross-reference
interchangeable
14407Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
2E13Interchangeable
interchangeable cross-reference
interchangeable
PEI 4595Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 631+1GALV?
631+1GALV is a 631+1GALV.
What parts can replace 631+1GALV?
There are 25 known substitutes for 631+1GALV: 3205180, 15157P, 14407 and 22 more. Substitute compatibility should be verified for your specific system.
Is 631+1GALV still available?
631+1GALV 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