PartsTable
Technical Data Sheet
4X787 ✓ 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

INSERT,PUNCH HAMMER,TELETYPEWRIT. Key specifications include shank_type: THREADED, design_type: SINGLE FOOT, holding_clip: NOT INCLUDED, thread_location: INTERNAL, special_deflator: NOT INCLUDED, special_features: BRASS, NICKEL PLATED, 200 PSI WORKING PRESSURE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-270-3901, 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
4X787
NSN: 4730-00-270-3901
FSC: 4730
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
shank_typeTHREADED
design_typeSINGLE FOOT
holding_clipNOT INCLUDED
thread_locationINTERNAL
special_deflatorNOT INCLUDED
special_featuresBRASS, NICKEL PLATED, 200 PSI WORKING PRESSURE
screw_thread_diameter0.250 INCHES NOMINAL IN
end_item_identificationAIRCRAFT; B-52, PHANTOM F-4, STRATOLIFTER C-135, HERCULES C-130, DELTA DART F106, THUNDERBOLT II A-10; HELICOPTER H-3; WATER PURIFICATION UNIT, REVERSE OSMOSIS; TORPEDO, MARK 48
screw_thread_series_designatorNPT
NSN4730-00-270-3901
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4X787 · 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
HOLDING CLIP: NOT INCLUDED
DESIGN TYPE: SINGLE FOOT
SCREW THREAD DIAMETER: 0.250 INCHES NOMINAL IN
SCREW THREAD SERIES DESIGNATOR: NPT
THREAD LOCATION: INTERNAL
SHANK TYPE: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESBRASS, NICKEL PLATED, 200 PSI WORKING PRESSURE
HOLDING CLIPNOT INCLUDED
DESIGN TYPESINGLE FOOT
END ITEM IDENTIFICATIONAIRCRAFT; B-52, PHANTOM F-4, STRATOLIFTER C-135, HERCULES C-130, DELTA DART F106, THUNDERBOLT II A-10; HELICOPTER H-3; WATER PURIFICATION UNIT, REVERSE OSMOSIS; TORPEDO, MARK 48
SCREW THREAD DIAMETER0.250 INCHES NOMINAL IN
SCREW THREAD SERIES DESIGNATORNPT
THREAD LOCATIONINTERNAL
SHANK TYPETHREADED
SPECIAL DEFLATORNOT INCLUDED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
10531930Interchangeable
interchangeable cross-reference
interchangeable
699Interchangeable
interchangeable cross-reference
interchangeable
1051Interchangeable
interchangeable cross-reference
interchangeable
2611Interchangeable
interchangeable cross-reference
interchangeable
2131Interchangeable
interchangeable cross-reference
interchangeable
62886Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4X787?
4X787 is a INSERT,PUNCH HAMMER,TELETYPEWRIT.
What parts can replace 4X787?
There are 26 known substitutes for 4X787: 10531930, 699, 1051 and 23 more. Substitute compatibility should be verified for your specific system.
Is 4X787 still available?
4X787 is currently cancelled.
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