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4687676-0043 — FLANGE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4687676-0043: FLANGE,PIPE.

The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thickness: 0.781 INCHES NOMINAL IN, neck_height: 0.837 INCHES NOMINAL IN, flange_width: 1.750 INCHES NOMINAL IN, socket_depth: 0.500 INCHES NOMINAL IN, flange_length: 1.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-082-3442, 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
4687676-0043
NSN: 4730-01-082-3442
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thickness0.781 INCHES NOMINAL IN
neck_height0.837 INCHES NOMINAL IN
flange_width1.750 INCHES NOMINAL IN
socket_depth0.500 INCHES NOMINAL IN
flange_length1.750 INCHES NOMINAL IN
socket_diameter0.531 INCHES NOMINAL IN
special_featuresW/FOUR CAP SCREWS,FOUR WASHERS AND ONE O-RING
style_designatorRECTANGULAR, WITH BOLT HOLES
surface_treatmentPASSIVATE
bolt_hole_diameter0.328 INCHES NOMINAL IN
bolt_hole_quantity4
NSN4730-01-082-3442
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4687676-0043 · 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
•
SOCKET DIAMETER: 0.531 INCHES NOMINAL IN
•
FACE SEATING SURFACE CONDITION: MACHINED
•
SOCKET DEPTH: 0.500 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.250 INCHES NOMINAL IN
•
OPERATING PRESSURE AND TYPE: 3000.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
FLANGE SECTION STYLE: RAISED FACE, SOCKET NECK
•
STYLE DESIGNATOR: RECTANGULAR, WITH BOLT HOLES
•
BOLT HOLE DIAMETER: 0.328 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SOCKET DIAMETER0.531 INCHES NOMINAL IN
FACE SEATING SURFACE CONDITIONMACHINED
SOCKET DEPTH0.500 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.250 INCHES NOMINAL IN
OPERATING PRESSURE AND TYPE3000.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
FLANGE SECTION STYLERAISED FACE, SOCKET NECK
STYLE DESIGNATORRECTANGULAR, WITH BOLT HOLES
BOLT HOLE DIAMETER0.328 INCHES NOMINAL IN
NECK HEIGHT0.837 INCHES NOMINAL IN
FLANGE LENGTH1.750 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
845-4687676Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
845-4687676ASSYReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4687676-0043?
4687676-0043 is a FLANGE,PIPE.
What parts can replace 4687676-0043?
There are 2 known substitutes for 4687676-0043: 845-4687676, 845-4687676ASSY. Substitute compatibility should be verified for your specific system.
What is the NSN for 4687676-0043?
4687676-0043 is cataloged in the U.S. Government catalog under NSN 4730-01-082-3442. 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.